What good's an opinion if you don't know?

Life is like a song, with highs and lows, what matters is how you perform it.

The best way to predict the future is to create it.

讨论学问要看其人的品行，讨论政治要考察当时的形势

可持续性不是一种选择——它是我们星球未来的必需品。

我要向你走去，你像我走来已经很久了。

We have to continually be jumping off cliffs and developing our wings on the way down.

He said that the way of the world is to bloom and to flower and die but in the affairs of men there is no waning and the noon of his expression signals the onset of night. His spirit is exhausted at the peak of its achievement. His meridian is at once his darkening and the evening of his day.