If we knew what we were doing, it wouldn't be could reserach, now would it?

The only reason for time is so that everything doesn't happen at once.

Curiosity has its own reason for existence.

But there is another reason for the high repute of mathematics: it is mathematics that offers the exact natural sciences a certain measure of security which, without mathematics, they could not attain.

Knowledge of what is does not open the door directly to what should be. If one asks the whence derives the authority of fundamental ends, since they cannot be stated and justified merely by reason, one can only answer: they exist in a healthy society

The important thing is not to stop questioning. Curiosity has its own reason for existing.