We should not call a city happy because it attracts masses of citizens from everywhere; a fortunate city is one in which the race of the original inhabitants is best preserved.

But I marvel when I observe these men setting themselves up as instructors of youth who cannot see that they are applying the analogy of an art with hard and fast rules to a creative process

Consider that nothing in human life is stable; for then you will not exult overmuch in prosperity, nor grieve overmuch in adversity. Rejoice over the good things which come to you, but grieve in moderation over the evils which befall you.

We should not call a city happy because it attracts masses of citizens from everywhere; a fortunate city is one in which the race of the original inhabitants is best preserved.

Of all our possessions, wisdom alone is immortal.

Regard as your most faithful friends, not those who praise everything you say or do, but those who criticize your mistakes.

It is more important to know where you are going than to get there quickly. Do not mistake activity for achievement. Remember that there is nothing stable in human affairs, therefore avoid undue elation in prosperity or undue depression in adversity.