A question that sometimes drives me hazy: am I or are the others crazy?

Anyone who has never made a mistake has never tried anything new.
Do not worry about your problems with mathematics, I assure you mine are far greater.
Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.
Gravitation is not responsible for people falling in love.
I want to know God’s thoughts,….. the rest are details..
If you are out to describe the truth, leave elegance to the tailor.
If we knew what it was we were doing, it would not be called research, would it?
Intellectuals solve problems; geniuses prevent them.
It gives me great pleasure indeed to see the stubbornness of an incorrigible nonconformist warmly acclaimed.
Only two things are infinite, the universe and human stupidity, and I’m not sure about the former.
Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. THAT’S relativity.
Reality is merely an illusion, albeit a very persistent one.
Science is a wonderful thing if one does not have to earn one’s living at it.
Setting an example is not the main means of influencing others; it is the only means.
The hardest thing in the world to understand, is income tax.
The most incomprehensible thing about the world is that it is comprehensible.
The only reason for time is so that everything doesn’t happen at once.
Things should be as simple as possible, but not simpler.
When the solution is simple, God is answering.