1600 – 1800 CE
The Age of Reason, emphasizing science, liberty, and progress.
The more I read, the more I acquire, the more certain I am that I know nothing.
— Voltaire
"The more I read, the more I acquire, the more certain I am that I know nothing."
I think, therefore I am.
— Rene Descartes
"I think, therefore I am."
Happiness is not the reward of virtue, but is virtue itself.
— Baruch Spinoza
"Happiness is not the reward of virtue, but is virtue itself."
Doubt is not a pleasant condition, but certainty is absurd.
"Doubt is not a pleasant condition, but certainty is absurd."
In law a man is guilty when he violates the rights of others. In ethics he is guilty if he only thin...
— Immanuel Kant
"In law a man is guilty when he violates the rights of others. In ethics he is gu..."
Dare to know! Have the courage to use your own understanding.
"Dare to know! Have the courage to use your own understanding."
Judge a man by his questions rather than by his answers.
"Judge a man by his questions rather than by his answers."
The only defense against the world is a thorough knowledge of it.
— John Locke
"The only defense against the world is a thorough knowledge of it."
The reading of all good books is like a conversation with the finest minds of past centuries.
"The reading of all good books is like a conversation with the finest minds of pa..."
Think for yourself and let others enjoy the privilege of doing so too.
"Think for yourself and let others enjoy the privilege of doing so too."
Common sense is not so common.
"Common sense is not so common."
Divide each difficulty into as many parts as is feasible and necessary to resolve it.
"Divide each difficulty into as many parts as is feasible and necessary to resolv..."