No man ever achieved worthwhile success who did not, at one time or other, find himself with at least one foot hanging well over the brink of failure.

The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack in will.

Don't mistake activity with achievement.

Success is never final. Failure is never fatal. It s courage that counts.

It's fine to celebrate success but it is more important to heed the lessons of failure.

Fake it until you make it.

I am easily satisfied with the very best.

People refuse to take chances in business, because they fear the criticism which may follow if they fail.

There is nothing more difficult to carry out, nor more doubtful of success, nor more dangerous to handle, that to institute a new order of things

Try not to become a man of success but rather to become a man of value.

Take time to deliberate, but when the time for action comes, stop thinking and go in.

The role of the artist is to ask questions, not answer them.

To invent, you need a good imagination and a pile of junk.

The finest task for an Engineer – to survey, to plan, to suggest resources and material, assemble them for task in hand, implement and produce results.

'To Start Press Any Key'. Where's the ANY key?

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

I'm a greater believer in luck, and I find the harder I work the more I have of it

When things go wrong don't go with them

When you know what you want, and want it bad enough, you will find a way to get it.

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

I do not like to repeat successes, I like to go on to other things.