Our lives will be measured by what we do for others

I am convinced there is only one way to eliminate these grave evils, namely through the establishment of a socialist economy, accompanied by an educational system which would be oriented toward social goals.

Energy cannot be created or destroyed, it can only be changed from one form to another.

Nature shows us only the tail of the lion. But there is no doubt in my mind that the lion belongs with it even if he cannot reveal himself to the eye all at once because of his huge dimension.

An expert is a person who has few new ideas; a beginner is a person with many.

Hunger, love, pain, fear are some of those inner forces which rule the individual's instinct for self preservation.

I simply imagine it so, then go about to prove it.