在人类（和动物）的漫长历史中，那些学会最有效合作和即兴发挥的人才能胜出。
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.
友谊不在于你认识谁最久，而在于谁走进你的生活说"我在这里支持你"，并且证明了这一点。
It is no use saying, 'We are doing our best.' You have got to succeed in doing what is necessary.
Errors, like straws, upon the surface flow; he who would search for pearls must dive below.
I don't see limits. I see possibilities.
Leadership means making tough decisions today that will benefit everyone tomorrow.