Quotes from Immanuel Kant

Act so as to use humanity, yourself and others, always as an end and never as a means to an end.

From the crooked timber of humanity, a straight board cannot be hewn.

Happiness is not an ideal of reason, but of imagination.

Psychologists have hitherto failed to realize that imagination is a necessary ingredient of perception itself.

The greatest human quest is to know what one must do in order to become a human being.

Look closely. The beautiful may be small.

An action, to have moral worth, must be done from duty.

Always recognize that human individuals are ends, and do not use them as means to your end.

Dare to know! Have the courage to use your own intelligence!

Genius is the ability to independently arrive at and understand concepts that would normally have to be taught by another person.

There can be no doubt that all our knowledge begins with experience.

There is nothing higher than reason.

I am an investigator by inclination. I feel a great thirst for knowledge.

Sincerity is the indispensable ground of all conscientiousness, and by consequence of all heartfelt religion.

He who has made great moral progress ceases to pray

The main point of enlightenment is man's release from his self-caused immaturity, primarily in matters of religion.

The true religion is to be posited not in the knowledge or confession of what God allegedly does or has done for our salvation, but in what we must do to become worthy of this.

Every man is to be respected as an absolute end in himself; and it is a crime against the dignity that belongs to him as a human being, to use him as a mere means for some external purpose.

It is often necessary to make a decision on the basis of knowledge sufficient for action but insufficient to satisfy the intellect.

I have no knowledge of myself as I am, but merely as I appear to myself.

Philosophical knowledge is the knowledge gained by reason from concepts ; mathematical knowledge is the knowledge gained by reason from the construction of concepts.

Thoughts without content are empty, intuitions without concepts are blind... The understanding can intuit nothing, the senses can think nothing. Only through their union can knowledge arise.

All our knowledge begins with the senses...

But, though all our knowledge begins with experience, it by no means follows that all arises out of experience.