Sheldon:“If I could, I would, but I can’t, so I shan’t”（Sheldon的语态和连词）(S05E01)
Leonard: I see nothing in this box but a wasted childhood. (Howard变魔术 S05E12)
Raj: Ordinary, yet I sense it is dripping with magical potential.
Sheldon: “Hummingbirds are the vampires of the flower world.”(S05E09)（比喻蜂鸟是花世界里的吸血鬼，Sheldon的恐鸟症，蜂鸟是传粉者）
Sheldon: In the winter that seat is close enough to the radiator to remain warm and yet not so close as to cause perspiration. In the summer it's directly in the path of a cross breeze created by opening windows there, and there. It faces the television at an angle that is neither direct, thus discouraging conversation, nor so far wide to create a parallax distortion. I could go on, but ... I think I've made my point.（Sheldon座位理论）（S01E01)
Sheldon： The need to find another human being to share one's life with,has always puzzled me.Maybe because i'm so interesting all by myself with that being said.May you find as much happiness with each other as i find on my own. (Bernadette和Howard婚礼致辞）（S05E24）
Sheldon: Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and as it always has, rock crushes scissors.（S02E08)
Amy：“It's like Sesame Street says, One of these things is not like the other; one of these thingsshould die alone.” (S05E08)（Amy修改了Sesame Street 插曲One of These Things的歌词，原版One of these things is not like the others, one of these things doesn’t belong）
Sheldon：“You told me it’s mind-blowing, so my mind is going into it pre-blown. Once a mind is pre-blown, it cannot be re-blown.” （S02E22）（Sheldon不喜欢剧透）
Penny: "Look, you are a great guy, and it is the things you love that make you who you are." （S01E14）（Penny said to Leonard）
Howard： "Love is not a sprint, it's a marathon, a relentless pursuit that only ends when she falls into your arms - or hits you with the pepper spray." （S01E03）（Howard告诉Leonard爱情是一场马拉松）
Sheldon： The anthropic principle states that if we wish to explain why our universe exists the way it does, the answer is that it must have qualities that allow intelligent creatures to arise who are capable of asking the question. As I am doing so eloquently right now. （S06E01 人择原理）
Bernadette: Sheldon doesn't know when he's being mean because the part of his brain that should know is getting a wedgie from the rest of his brain. （S05E21) （Sheldon的大脑）
Sheldon: "The best number is 73. Why? 73 is the 21st prime number. It's mirror, 37, is the 12th and it's mirror, 21, is the product of multiplying 7 and 3... and in binary 73 is a palindrome, 1001001, which backwards is 1001001." (73最好的数字）
Bernadette: Everyone of you has the capacity to be anything you want to be. (S06E18) （远程视频帮助女生对科学感兴趣）
Sheldon: All our lives we have dreamed of finding ourselves inside one of the fantasy worlds we love. And look at us. At this moment, we are, in fact, a Star Trek landing party stranded in an alien and unforgiving environment, relying only on our wits, our fortitude and our moxie. As long as we have those things, nothing can stop…（S06E13）（智慧、坚毅、勇气）
Sheldon：German philosopher Friedrich Nietzsche believed that morality is just a fiction used by the herd of inferior human beings to hold back the few superior men. (Sheldon引用尼采）
Raj： “I’m a wreck. There are many things seriously wrong with me. And not quirks, either. Like, diagnosable, psychological problems. Maybe brain damage.” （S06E17) (Raj said to his girlfriend Lucy)
Howard: Well, in romance, as in show business, always leave them wanting more.（S03E09）
Sheldon: There’s only one logical explanation. Somewhere in the desert we crossed into an alternate dimension where the women in our lives can finally appreciate great literature. （S06E13）（穿越平行宇宙）
Sheldon: That's no reason to cry. One cries because one is sad. For example, I cry because others are stupid, and that makes me sad. （S03E10）(哭的原因）
Leonard: You are beautiful, you know that? You pop, sparkle and buzz electric. I'm going to pick you up at eight, show you a night you will never forget. (S04E07) （Leonard speak to FBI girl）
Better to have loved and lost than never to have loved at all. （S04E24）
——Alfred Lord Tennyson （Raj change it，不仅不是Shakespeare莎士比亚说的，后面也被他改了 ）
Sheldon: If outside is so good, why has mankind spent thousands of years trying to perfect inside. （S03E12）
Penny：Not knowing is part of the fun! （S06E20）（Howard变魔术给Sheldon）
Sheldon: Interesting. You're afraid of insects and women. Ladybugs must render you catatonic.(Ladybugs瓢虫有lady和bug，是Raj的杀手）（S03E02）
When I look in your eyes and you're looking back in mine, everything feels not quite normal. I feel stronger and weaker at the same time. I feel excited and, at the same time, terrified. The truth is, I don't know what I feel, except I know what kind of man I want to be.
——Sheldon said to Amy（ quote from Spider-Man）（S06E01）
Penny: “Do or do not do there is only try.”（Penny 引用 Star Wars的Yoda 原句 Do or do not do there is no try.） （ Leonard: My girlfriend quoted Star Wars!!!!!!!）（S03E19）
Sheldon: Biologically speaking, Howard is perfectly justified in seeking out the optimum mate for the propagation of his genetic line. And whether that propagation is in the interest of humanity is, of course, an entirely different question. （S03E09）（个体的追求和群体的优质是两回事）
Sheldon: A fear of heights is illogical. A fear of falling, on the other hand, is prudent and evolutionary. (S02E13) (并非恐高，而是恐惧跌落，这是明智的进化）
Sheldon：Excuse me, but was this not your goal? Financial independence through entrepreneurial brilliance and innovation -- my brilliance and innovation, of course, but still. (S02E18) ( Sheldon 帮Penny改进生产流程）
Sheldon："It's a warm summer evening in ancient Greece ..." （S03E10）（教Penny物理）
( It’s a warm summer evening, circa 600 BC, you’ve finished your shopping at the local market, or agora, and you look up at the night sky. There you notice some of the stars seem to move, so you name them planetes, or wanderer. ) （仰望天空的好奇诞生物理学）
Sheldon：No, it's not going to be fine. Change is never fine. They say it is, but it's not. (S02E19)（改变总是不好的）
文章来源：@谢耳朵Moonpie