The wise teacher knows that 55 minutes of work plus 5 minutes laughter are worth twice as much as 60 minutes of unvaried work.

What is politics but persuading the public to vote for this and support that and endure these for the promise of those?

Many people have played themselves to death. Many people have eaten and drunk themselves to death. Nobody ever thought himself to death.

These are not books, lumps of lifeless paper, but minds alive on the shelves.

Wherever there are beginners and experts, old and young, there is some kind of learning going on, some kind of teaching. We are all pupils and we are all teachers.

A very wise old teacher once said: I consider a day's teaching wasted if we do not all have one hearty laugh.

A teacher must believe in the value and interest of his subject as a doctor believes in health.

He meant that when people laugh together, they cease to be young and old, master and pupils, jailer and prisoners. They become a single group of human beings enjoying its existence.

The relation between parents and children is essentially based on teaching.

If you do not actually like boys and girls, or young men and young women, give up teaching.

Many of the twisted minds and crippled characters in the world were made by careless parents who kept their children away from knives and fires, but put permanent scars on their souls.

Never see yourself as being superior to others

In the ashes of adversity, lies opportunity.

Goethe said there would be little left of him if you were to discard what he owed to others.

I'm really into California art from the '60s.

It is a dangerous thing to have instant access to your emotions.

I don't engage in social media, which has its good and bad sides, I guess - but the good side is when people hate my guts, I'm kind of oblivious to it.

But I am influenced by the world that says I influence it. The world I live in is my influence.

I'm not that interested in working with impervious people.

Nothing is ever cut-and-dried. There's anguish behind everything.

Your heart is sacred land. Don't let just anything enter it. Guard it with your life.