We've learned from experience that the truth will out.

I'm smart enough to know that I'm dumb.

There was a time when the newspapers said that only twelve men understood the theory of relativity. I do not believe there ever was such a time ... On the other hand, I think I can safely say that nobody understands quantum mechanics.

It is not unscientific to make a guess, although many people who are not in science think it is.

There in wine is found the great generalization: all life is fermentation.

The female mind is capable of understanding analytic geometry... The difficulty may just be that we have never yet discovered a way to communicate with the female mind. If it is done in the right way, you may be able to get something out of it.

This is not yet a scientific age.