The only way to tell the truth is to speak without persuasion.

The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!

The best thing about getting older is that you don't lose all the other ages you've been.

建筑是深思熟虑地创造空间。

Your dreams are valid, chase them.

历史不是机械的，因为人们有自由去改变它。

  知识和人类力量是同义词。