1600 – 1800 CE
The Age of Reason, emphasizing science, liberty, and progress.
Doubt is the origin of wisdom.
— Rene Descartes
"Doubt is the origin of wisdom."
Man is born free, and everywhere he is in chains.
— Jean-Jacques Rousseau
"Man is born free, and everywhere he is in chains."
I think, therefore I am.
"I think, therefore I am."
"Common sense is not so common."
The more I read, the more I acquire, the more certain I am t…
— Voltaire
"The more I read, the more I acquire, the more certain I am that I know nothing."
Beauty in things exists in the mind which contemplates them.
— David Hume
"Beauty in things exists in the mind which contemplates them."
Science is organized knowledge. Wisdom is organized life.
— Immanuel Kant
"Science is organized knowledge. Wisdom is organized life."
The highest activity a human being can attain is learning for understanding, because to understand i…
— Baruch Spinoza
"The highest activity a human being can attain is learning for understanding, bec..."
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read …
— John Locke
"Reading furnishes the mind only with materials of knowledge; it is thinking that..."
Dare to know! Have the courage to use your own understanding.
"Dare to know! Have the courage to use your own understanding."
The world of reality has its limits; the world of imagination is boundless.
"The world of reality has its limits; the world of imagination is boundless."
Patience is bitter, but its fruit is sweet.
"Patience is bitter, but its fruit is sweet."
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