It is not possible to be ignorant of the end of things if we know their beginning.

The celebration of Holy Mass is as valuable as the death of Jesus on the cross.

The theologian considers sin mainly as an offence against God; the moral philosopher as contrary to reasonableness.

It must be understood that prime matter, and form as well, is neither generated nor corrupted, because every generation is from something to something. Now that from which generation proceeds is matter, and that to which it proceeds is form. So that, if matter or form were generated, there would be a matter for matter and a form for form, endlessly. Whence, there is generation only of the composite, properly speaking.

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.

Now it seems that everything in the world stems from sources other than God, since the products of nature have their source in nature; deliberate effects can be traced back to human reason or will as their source. There is no need then to assume that God exists.

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.