The most important political challenge of our time is to create strong, effective, and accountable states.

There is a kind of beauty in imperfection.

The only good is knowledge, and the only evil is ignorance.

可持续性不仅仅是一种趋势，而是我们星球生存的必要条件。

If you want to achieve greatness, stop asking for permission.

"A book is a door, and every reader walks through it differently."

Without bold guesses， there will be no great discoveries.