Intelligent men do not decide any subject until they have carefully examined both or all sides of it. Fools, cowards, and those too lazy to think, accept blindly, without examination, dogmas and doctr...
Progress of the human society is predicated upon the proper functioning of a key element of the human mind, that is reasoning.
The beginning of wisdom is the definition of terms.
Never trust books on the question of whether or not to trust your rational thinking. Trust your rational thinking on the question of whether or not to trust the books.
If the way of wisdom was easy, anyone would have walked in. Wisdom is not a whore she is a shy mademoiselle so only those who strives wins her heart.
No rational person would intentionally commit an act of evil, for everyone knows that it would bring the wrath of the community upon him. (Socrates)
Dare to exercise rational thinking.
In the eighteenth and nineteenth centuries, print put forward a definition of intelligence that gave priority to the objective, rational use of the mind and at the same time encouraged forms of public...
Feelings should never supersede rational thought... so, if you feel that you've got the answer, you should think some more.
To irrational principles, one cannot be loyal. Ideas that are not derived from reality cannot be consistently practiced in reality.--as quoted by Leonard Peikoff in "Objectivism: The Philosophy of Ayn...
Every television program must be a complete package in itself. No previous knowledge is to be required. There must not be even a hint that learning is hierarchical, that it is an edifice constructed o...
I am more human than rational.
If you can’t define something you have no formal rational way of knowing that it exists. Neither can you really tell anyone else what it is. There is, in fact, no formal difference between inability t...