O homem só é verdadeiramente livre quando reconhece a sua dependência dos outros.

There are some things one remembers even though they may never have happened.

True leadership in energy means balancing today's needs with tomorrow's possibilities.

You have to have confidence in your ability, and then be tough enough to follow through.

最危险的事情就是满足于过去的成功。

When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.