The assumption that the square of a unit vector is positive unity leads to an algebra whose characteristic quantities are non-associative.

Scientific theory and its application to the growing needs of mankind advance hand in hand.

What may appear as a towering peak to one may seem but an ordinary eminence to another.

I am trying to both be happy and pay attention to the world around me. I do not know if it is possible to do both at the same time.

Be yourself.Become all that you want to be.You should go as far as you can.There is no limit to what you can achieve.

A picture lives by companionship. It dies by the same token. It is therefore risky to send it out into the world. How often it must be impaired by the eyes of the unfeeling.

Street League Skateboarding is the premier professional skateboarding league in the world, with the biggest prize money in history.

For millions of men and women, the church has been the hospital for the soul, the school for the mind and the safe depository for moral ideas.

You, our youth of today, are among the most illustrious spirits to be born into mortality in any age of the world. Yours is a noble heritage and a wonderful opportunity.

I want my grandchildren to look like my grandparents. I don't want them to look like Anwar Sadat or Foo Man Chu or Whoopi Goldberg.

Nothing is as hard as it looks; everything is more rewarding than you expect; and if anything can go right it will and at the best possible moment.

I find I am most productive with at least six hours of sleep.

Buildings are always better than drawings and models.