Act as if what you do makes a difference. It does.

预测未来的最好方法是创造未来。

The best experiments often come from simple ideas and careful observation.

The theatre is the most immediate way in which a human being can share with another the sense of what it is to be a human being.

不带评判地观察是最高形式的智慧。

If you want a picture of the future, imagine a boot stamping on a human face—forever.