It must be said that charity can, in no way, exist along with mortal sin.
Because of the diverse conditions of humans, it happens that some acts are virtuous to some people, as appropriate and suitable to them, while the same acts are immoral for others, as inappropriate to them.
It is necessary to posit something which is necessary of itself, and has no cause of its necessity outside of itself but is the cause of necessity in other things. And all people call this thing God.
The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.
How is it they live in such harmony the billions of stars - when most men can barely go a minute without declaring war in their minds about someone they know.
In order for a war to be just, three things are necessary. First, the authority of the sovereign. Secondly, a just cause. Thirdly, a rightful intention.
The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.
Better to illuminate than merely to shine, to deliver to others contemplated truths than merely to contemplate.
Human salvation demands the divine disclosure of truths surpassing reason.
As regards the individual nature, woman is defective and misbegotten, for the active power of the male seed tends to the production of a perfect likeness in the masculine sex; while the production of a woman comes from defect in the active power.
If forgers and malefactors are put to death by the secular power, there is much more reason for excommunicating and even putting to death one convicted of heresy.
The knowledge of God is the cause of things. For the knowledge of God is to all creatures what the knowledge of the artificer is to things made by his art.
By nature all men are equal in liberty, but not in other endowments.
Whatever is received is received according to the nature of the recipient.
If... the motion of the earth were circular, it would be violent and contrary to nature, and could not be eternal, since... nothing violent is eternal.... It follows, therefore, that the earth is not moved with a circular motion.