No one ever is defeated until defeat has been accepted as a reality.

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

Hell, there are no rules here - we're trying to accomplish something.

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

The successful leader must plan his work and work his plan.

The painter has the Universe in his mind and hands.

All achievement, all earned riches, have their beginning in an idea.

If everyone is moving forward together, then success takes care of itself.

We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

For a man to conquer himself is the first and noblest of all victories.

You reach a point where you don't work for money.

Once you start a working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest.

It is your decisions, and not your conditions, that determine your destiny.

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

Speak softly and carry a big stick; you will go far.

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.

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.

Without a sense of urgency, desire loses its value.

The whole secret of a successful life is to find out what is one's destiny to do, and then do it.

Many people would no more think of entering journalism than the sewage business - which at least does us all some good.

Please all, and you will please none.