You cannot step twice into the same river, for other waters are continually flowing in.

One faces the future with ones past.

“We must, therefore, pursue the things that make for happiness, seeing that when happiness is present, we have everything; but when it is absent, we do everything to possess it.”
― Epicurus

What self-improvement books do recommend?

The sign of intelligence is that you are constantly wondering.

The great law of nature is that it never stops. There is no end.

What worries you masters you.

“We cannot live better than in seeking to become better.”
― Socrates

It is during our darkest moments that we must focus to see the light.

Kindness is the golden chain by which society is bound together.

A dangerous world requires you to be a dangerous man.

A woman can't respect a man that puts her over his purpose in life.

Never mistake activity for achievement.