Leadership means making tough decisions today that will pave the way for a better tomorrow.

To create architecture is to create a world.

I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.

The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.

领导的艺术在于说不，而不是说是。说是很容易的。