Only you can control your future.

We struggle with the complexities and avoid the simplicities.

You gain strength, courage and confidence by every experience in which you really stop to look fear in the face.... You must do the thing you think you cannot do.

When inspiration does not come to me, I go halfway to meet it.

Practice does not make perfect. Perfect practice makes perfect.

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

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.

From each according to his abilities, to each according to his needs.

At least with me, the match starts much, much earlier than the actual match.

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

Of all the things I've done, the most vital is coordinating those who work with me and aiming their efforts at a certain goal

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

Purity, patience, and perseverance are the three essentials to success and, above all, love.

Always bear in mind that your own resolution to succeed is more important than any other.

Dad, you've done a lot of great things, but you're a very old man, and old people are useless.

There is one weakness in people for which there is no remedy. It is the universal weakness of lack of ambition.

All your dreams can come true if you have the courage to pursue them

The only 'break' anyone can afford to rely upon is a self-made 'break'.

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.

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.

Success means we go to sleep at night knowing that our talents and ablities were used in a way that served others.