The only limit to our realization of tomorrow is our doubts of today.

挑战是伪装的机会——拥抱它们。

创新是石油工业的支柱；没有创新，我们就会停滞不前。

It must be remembered that while sympathy with joy intensifies the sum of joy in the world., sympathy with pain does not really diminish the amount of pain. It may make man better able to endure evil, but the evil remains.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

Each success only buys an admission ticket to a more difficult problem.