生活是一系列无尽的重复，每一次都比上一次更无意义。

The most sustainable building is the one that people love.

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.

Every tree we plant today is an investment in a greener, healthier tomorrow.

Diplomacy is not about passively adapting to change, but actively shaping change.