表演最有回报的部分是与观众建立联系。

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.

The future of energy lies in the balance between traditional and renewable sources.

建筑之间的空间和建筑本身一样重要。