The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事，你就会成功。
A man takes a rocket ship into the stars, and all I got is this broken guitar.
我拒绝接受人类的末日。
Challenges are opportunities in disguise—embrace them.
The deepest urge in human nature is the desire to be important.