You are the strongest argument, yet, against cloning.
The world thus appears as a complicated tissue of events, in which connections of different kinds alternate or overlap or combine and thereby determine the texture of the whole.
Only a few know, how much one must know to know how little one knows.
When I meet God, I am going to ask him two questions: Why relativity ? And why turbulence ? I really believe he will have an answer for the first.
What we observe is not nature itself, but nature exposed to our method of questioning.
The more closely you look at one thing, the less closely can you see something else.
Not only is the Universe stranger than we think, it is stranger than we can think.
I don't think about delivery. I don't think about mechanics. I just think about throwing hard.
A doctor who doesn't say too many foolish things is a patient half-cured.
When you start in science, you are brainwashed into believing how careful you must be, and how difficult it is to discover things. There's something that might be called the 'graduate student syndrome'; graduate students hardly believe they can make a discovery.
When people ask me about being portrayed onscreen by Leonardo DiCaprio, I always say, 'I love it - no matter how old I get, people are going to think that's what I look like.