Our fatigue is often caused not by work, but by worry, frustration and resentment

I am thankful to all those who said NO to me. It's because of them I did it myself.

It is easier for a tutor to command than to teach.

Change yourself and your work will seem different.

One of the main weaknesses of mankind is the average man's familiarity with the word 'impossible'.

If you aim at nothing, you will hit it every time.

You can observe a lot just by watching.

The successful leader must be willing to assume responsibility for the mistakes and the shortcomings of his followers.

It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there

The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

Players with fight never lose a game, they just run out of time

Without a humble but reasonable confidence in your own powers you cannot be successful or happy.

Discipline is the bridge between goals and accomplishment.

A great secret of success is to go through life as a man who never gets used up.

Moving from chair to chair, from coffee machine to coffee machine is the limit of my action in most films. But I enjoy being cast in them because I love watching them.

One can have no smaller or greater mastery than mastery of oneself.

The world does not pay men for that which they 'know'. It pays them for what they do, or induce others to do.

You don't get paid for the hour. You get paid for the value you bring to the hour.

I don't want to achieve immortality through my work... I want to achieve it through not dying.

Don't spend time beating on a wall, hoping to transform it into a door.

It is the set of the sails, not the direction of the wind that determines which way we will go.