Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

We never take our success for granted.

The only way to do great work is to love what you do.

You don't lead by hitting people over the head—that's assault， not leadership.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

We are all different, but we share the same human spirit. Perhaps it's human nature that we adapt and survive.