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Experience without theory is blind, but theory without experience is mere intellectual play.

Immanuel Kant

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

Action Moral Responsibility Worth
From such crooked timber as humanity is made of, no straight thing was ever constructed.
IMMANUEL KANT

Humanity Philosophy
Experience without theory is blind, but theory without experience is mere intellectual play.
IMMANUEL KANT

Experience Intellectual Play
In every department of physical science there is only so much science, properly so-called, as there is mathematics.
IMMANUEL KANT

Mathematics Science
Man desires concord; but nature know better what is good for his species; she desires discord.
IMMANUEL KANT

God Goodness Herself Man Nature
It is impossible to conceive anything at all in the world, or even out of it, which can be taken as good without qualification, except a good will.
IMMANUEL KANT

Goodness Impossible Philosophy Willing World
What might be said of things in themselves, separated from all relationship to our senses, remains for us absolutely unknown.
IMMANUEL KANT

Emotion Ourselves Relationship Separate
Simply to acquiesce in skepticism can never suffice to overcome the restlessness of reason.
IMMANUEL KANT

Enough Reason Simplicity
Art is purposiveness without purpose.
IMMANUEL KANT

Art Purpose
Enlightenment is man’s emergence from his self-imposed immaturity. Immaturity is the inability to use one’s understanding without guidance from another.
IMMANUEL KANT

Independent Man Understand
We can never, even by the strictest examination, get completely behind the secret springs of action.
IMMANUEL KANT

Action Secret Spring
There is something splendid about innocence; but what is bad about it, in turn, is that it cannot protect itself very well and is easily seduced.
IMMANUEL KANT

Bad Philosophy Protection Weakness
But only he who, himself enlightened, is not afraid of shadows.
IMMANUEL KANT

Afraid Darkness Himself Philosophy
The greatest human quest is to know what one must do in order to become a human being.
IMMANUEL KANT

Greatness Human Philosophy
Beauty presents an indeterminate concept of Understanding, the sublime an indeterminate concept of Reason.
IMMANUEL KANT

Beautiful Present Reason Understand
A great part, perhaps the greatest part, of the business of our reason consists in the analysation of the conceptions which we already possess of objects.
IMMANUEL KANT

Business Greatness Material Reason

Experience without theory is blind, but theory without experience is mere intellectual play.

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Experience without theory is blind, but theory without experience is mere intellectual play.

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