A gentleman is one who understands and shows every mark of deference to the claims of self-love in others, and exacts it in return from them.

A gentleman is one who puts more into the world than he takes out.

If any man has just merciful and kindly instincts he would be a gentleman, for he would need nothing else in the world.

I have my own peculiar yardstick for measuring a man: Does he have the courage to cry in a moment of grief? Does he have the compassion not to hunt an animal? In his relationship with a woman, is he gentle? Real manliness is nurtured in kindness and gentleness, which I associate with intelligence, comprehension, tolerance, justice, education, and high morality. If only men realized how easy it is to open a woman's heart with kindness, and how many women close their hearts to the assaults of the Don Juans.

A gentleman is a man who never hurts anybody else unintentionally.

An old definition of a gentleman: someone who is never rude except on purpose.

The first requisite of a gentleman is to be true, brave and noble, and to be therefore a rebuke and scandal to venal and vulgar souls.

There are three ingredients in the good life: learning, earning, and yearning. A man should be learning as he goes; and he should be earning bread for himself and others; and he should be yearning, too: yearning to know the unknowable.

The chief ingredients in the composition of those qualities that gain esteem and praise, are good nature, truth, good sense, and good breeding.

There are three ingredients to the good life; learning, earning, and yearning.

A gentleman is one who never hurts anyone's feelings unintentionally.

Education begins the gentleman, but reading, good company and reflection must finish him.

Simplicity, patience, compassion.
These three are your greatest treasures.
Simple in actions and thoughts, you return to the source of being.
Patient with both friends and enemies,
you accord with the way things are.
Compassionate toward yourself,
you reconcile all beings in the world.

Wisdom, compassion, and courage are the three universally recognized moral qualities of man.