It is better and more satisfactory to acquit a thousand guilty persons than to put a single innocent one to death.

All this is applicable to the intellectual faculties of man. There is a considerable difference between one person and another as regards these faculties, as is well known to philosophers.

Further, there are things of which the mind understands one part, but remains ignorant of the other; and when man is able to comprehend certain things, it does not follow that he must be able to comprehend everything.

Man's obsession to add to his wealth and honor is the chief source of his misery.

The people who are abroad are all those that have no religion, neither one based on speculation nor one received by tradition. Such are the extreme Turks that wander about in the north, the Kushites who live in the south, and those in our country who are like these. I consider these as irrational beings, and not as human beings; they are below mankind, but above monkeys, since they have the form and shape of man, and a mental faculty above that of the monkey.

Everyone entrusted with a mission is an angel.

In the realm of Nature there is nothing purposeless, trivial, or unnecessary