The led must not be compelled; they must be able to choose their own leader.

The economic anarchy of capitalist society as it exists today is, in my opinion, the real source of evil.

I want to go when I want. It is tasteless to prolong life artificially. I have done my share, it is time to go. I will do it elegantly.

Failure is only postponed success as long as courage 'coaches' ambition.

Man's will, sustained by an indominable conviction, is much more powerful than material forces that seem insurmountable.

Whatever your problems in math are, I assure mine are greater.

Science will stagnate if it is made to serve practical goals.