We are made strong by what we overcome.

When I look up into the starry heavens at night and reflect upon what it is I really see there, I am constrained to say, ´there is no god´.

Nature is not benevolent; Nature is just, gives pound for pound, measure for measure, makes no exceptions, never tempers her decrees with mercy, or winks at any infringement of her laws.

One can only learn his powers of action by action, and his powers of thought by thinking

We cannot walk through life on mountain peaks.

The overall quantity of nuclear weapons in the world continues to decline slowly.

It is always easier to believe than to deny. Our minds are naturally affirmative.