reason Quotes

All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion, desire.

Accordingly, the poet should prefer probable impossibilities to improbable possibilities. The tragic plot must not be composed of irrational parts.

Intuition is the source of scientific knowledge.

Whereas the law is passionless, passion must ever sway the heart of man.

Jealousy is both reasonable and belongs to reasonable men, while envy is base and belongs to the base, for the one makes himself get good things by jealousy, while the other does not allow his neighbour to have them through... ...

Someone who can be, and therefore is, owned by another, and who understands reason but doesn't fully possess it, is a natural slave.

He who can be, and therefore is, another's, and he who participates in reason enough to apprehend, but not to have, is a slave by nature.

We do not know a truth without knowing its cause.

And, speaking generally, passion seems not to be amenable to reason, but only to force.

It is absurd to hold that a man ought to be ashamed of being unable to defend himself with his limbs, but not of being unable to defend himself with speech and reason, when the use of rational speech is... ...