The emotional qualities are antagonistic to clear reasoning.
Whatsoever is contrary to nature is also contrary to reason, and whatsoever is contrary to reason is absurd.
The sleep of reason breeds monsters.[Goya]
Strong reasons make strong actions.
So man’s insanity is heaven’s sense; and wandering from all mortal reason, man comes at last to that celestial thought, which, to reason, is absurd and frantic; and weal or woe, feels then uncompromised, indifferent as his God.
Man stands face to face with the irrational. He feels within him his longing for happiness and for reason. The absurd is born of this confrontation between the human need and the unreasonable silence of the world.
It is a great misfortune to be alone, my friends; and it must be believed that solitude can quickly destroy reason.
You can prove anything you want by coldly logical reason – if you pick the proper postulates.
Where youth and diffidence are united, it requires uncommon steadiness of reason to resist the attraction of being called the most charming girl in the world.
True virtue is nothing else but living in accordance with reason.
There is one thing no man can do, and that is to get a woman to listen to reason. Somehow or other, they don’t seem to have any kind of sense.
There is more sagacity in thy body than in thy best wisdom.