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 energy structure will be diversified, and the coal industry needs to find its own positioning.

I don’t let negativity affect me.

解释：君子使自己懂得那些重大而长远的事情，小人却只注意细小的、眼前的事情。

"We are the land, and the land is us."

I don't think you can ever be too prepared.

The lover's discourse is today of an extreme solitude.