Either you think -- or else others have to think for you and take power from you, pervert and discipline your natural tastes, civilize and sterilize you.

Each thought is a nail that is driven In structures that cannot decay; And the mansion at last will be given To us as we build it each day.

All thought is naught but a footnote to Plato.

If a man sits down to think, he is immediately asked if has a headache.

A man's what he thinks about all day long

Many people would sooner die than think. In fact they do.

Most of one's life is one prolonged effort to prevent oneself thinking.

We shall require a substantially new manner of thinking if mankind is to survive.

A sect or party is an incognito devised to save man from the vexation of thinking.

The soul of God is poured into the world through the thoughts of men.