Not to know of what things one should demand demonstration, and of what one should not, argues want of education.

We are what we continually do.

The same ideas, one must believe, recur in men's minds not once or twice but again and again.

The specific excellence of verbal expression in poetry is to be clear without being low.

Young men have strong passions and tend to gratify them indiscriminately. Of the bodily desires, it is the sexual by which they are most swayed and in which they show absence of control...They are changeable and fickle in their desires which are violent while they last, but quickly over: their impulses are keen but not deep rooted.

Friends are an aid to the young, to guard them from error; to the elderly, to attend to their wants and to supplement their failing power of action; to those in the prime of life, to assist them to noble deeds.

95% of everything you do is the result of habit.