The supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a simple datum of experience.

Opinions about obviousness are to a certain extent a function of time.

People start their lives at last when they are able to live for something other than themselves.

Humiliation and mental oppression by ignorant and selfish teachers wreak havoc in the youthful mind that can never be undone and often exert a baleful influence in later life.

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

The value of achievement lies in the achieving.

Although I am a typical loner in my daily life, my awareness of belonging to the invisible community of those who strive for truth, beauty, and justice has prevented me from feelings of isolation.