A youth is to be regarded with respect.

They who know the truth are not equal to those who love it, and they who love it are not equal to those who delight in it.

The wheel of fortune turns round incessantly, and who can say to himself, I shall today be uppermost.

Who heeds not the future will find sorrow at hand

To think twice is quite enough.

Without that innate sense of human worth, a man cannot long endure adversity, nor can he long enjoy prosperity.

When you serve your mother and father it is okay to try to correct them once in a while. But if you see that they are not going to listen to you, keep your respect for them and don't distance yourself from them. Work without complaining.