We should all rehearse and practise the positives in our life, rather than doing what so many people do.

Since most problems are created by our imagination and are thus imaginary, all we need are imaginary solutions.

Sometimes people say,' One day you are going to look back at this and laugh.' My question is:' Why wait?

You know what ? Certain people think they will feel good if certain things happen The trick is : you have to feel good for no reason

The greatest personal limitation is to be found not in the things you want to do and can't, but in the things you've never considered doing.

Brains aren't designed to get results; they go in directions. If you know how the brain works you can set your own directions. If you don't, then someone else will.

The easier you can make it inside your head, the easier it will make things outside your head.

You are born with only two fears: fear of falling and fear of loud noise. All the rest is learned. And it's a lot of work!

The best thing about the past is that it's over. The best thing about the future is that it's yet to come. The best thing about the present is that it's here now.

The reason people have problems is that they have too much time to think.

Learning is about looking at things differently, making your life a little better everyday.

Though argument does not create conviction, the lack of it destroys belief.

privation is the cause of appetite

I don't think I have reached a plateau. I have just reached the level where I am today. But I need to go above it.

There was a time when a man was so convinced that the world was round that he was determined to prove it.

Anatomy is to physiology as geography is to history; it describes the theatre of events.

Criminals together. We're in hell, my little friend, and there's never any mistake there. People are not damned for nothing.

No man is happy without a goal, and no man can be happy without faith in his own ability to reach that goal.

You have to remember once in a while that you can actually stop working and appreciate things.

Some people say I’m a dreamer, others say, 'If you fall asleep at work again we’re going to have to let you go'.

I don't go along with going to Moon first to build a launch pad to go to Mars. We should go to Mars from Earth orbit. We have already been to the Moon; we've already practiced.