The only justifiable purpose of political institutions is to ensure the unhindered development of the individual.

Some men spend a lifetime in an attempt to comprehend the complexities of women. Others pre-occupy themselves with somewhat simpler tasks, such as understanding the theory of relativity!

A person starts to live when he can live outside himself.

The most important tool of the theoretical physicist is his wastebasket.

One should never impose one's views on a problem; one should rather study it, and in time a solution will reveal itself.

Man like every other animal is by nature indolent. If nothing spurs him on, then he will hardly think, and will behave from habit like an automaton.

If you have never failed, you have never tried anything new.