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.

I cannot go on.... All that I have written seems to me like so much straw compared to what I have seen and what has been revealed to me.

God's precepts are light to the loving, heavy to the fearful.

If a thing can be done adequately by means of one, it is superfluous to do it by means of several; for we observe that nature does not employ two instruments [if] one suffices.

The test of the artist does not lie in the will with which he goes to work, but in the excellence of the work he produces.

We must love them both, those whose opinions we share and those whose opinions we reject, for both have labored in the search for truth, and both have helped us in finding it.

Law; an ordinance of reason for the common good, made by him who has care of the community.