Immanuel Kant

The wise man can change his mind; the stubborn one, never.

Immanuel Kant

Thinking in pictures precedes thinking in words.

Immanuel Kant

Thoughts without content are empty, intuitions without concepts are blind.

Immanuel Kant

We are enriched not by what we possess, but by what we can do without.

Immanuel Kant

When I could have used a wife, I could not support one; and when I could support one, I no longer needed any.

Immanuel Kant

Woman wants control, man self-control.

Immanuel Kant

Great minds think for themselves.

Immanuel Kant

A categorical imperative would be one which represented an action as objectively necessary in itself, without reference to any other purpose.

Immanuel Kant

A learned woman might just as well have a beard, for that expresses in a more recognizable form the profundity for which she strives.

Immanuel Kant

A lie is the abandonment and, as it were, the annihilation of the dignity by man.

Immanuel Kant