Envy is the ulcer of the soul.
Everything you’ve ever wanted is on the other side of fear.
真正的领导力在于激励他人实现他们认为不可能的事情。
舞台上的掌声,是我最珍贵的礼物。
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.