Of all nature's gifts to the human race, what is sweeter to a man than his children?

It is the character of a brave and resolute man not to be ruffled by adversity and not to desert his post.

If you wish to persuade me, you must think my thoughts, feel my feelings, and speak my words.

Philosophy is the true mother of science.

Who does not know history's first law to be that an author must not dare to tell anything but the truth? And its second that he must make bold to tell the whole truth? That there must be no suggestion of partiality anywhere in his writings? Nor of malice?

There is wickedness in the intention of wickedness, even though it be not perpetrated in the act.

For one day spent well, and agreeably to your precepts, is preferable to an eternity of error.