Whatsoever is contrary to nature is contrary to reason, and whatsoever is contrary to reason is absurd.
The endeavor to understand is the first and only basis of virtue.
The world would be happier if men had the same capacity to be silent that they have to speak.
Nothing in the universe is contingent, but all things are conditioned to exist and operate in a particular manner by the necessity of the divine nature.
Ambition is the immoderate desire for power.
He alone is free who lives with free consent under the entire guidance of reason.
Freedom is absolutely necessary for the progress in science and the liberal arts.
Will and intellect are one and the same thing.
Desire is the very essence of man.
Whatsoever is, is in God, and without God nothing can be, or be conceived.
I do not know how to teach philosophy without becoming a disturber of established religion.
Fame has also this great drawback, that if we pursue it, we must direct our lives so as to please the fancy of men.
We feel and know that we are eternal.
True virtue is life under the direction of reason.
For peace is not mere absence of war, but is a virtue that springs from, a state of mind, a disposition for benevolence, confidence, justice.
Pride is pleasure arising from a man's thinking too highly of himself.
I call him free who is led solely by reason.
Desire is the essence of a man.
Only that thing is free which exists by the necessities of its own nature, and is determined in its actions by itself alone.
Peace is not the absence of war, but a virtue based on strength of character.
