The best way to get started is to quit talking and begin doing.
The best way to predict the future is to invent it.
Psychology as the behaviorist views it is a purely objective experimental branch of natural science.
行为主义者眼中的心理学是自然科学的一个纯粹客观的实验分支。
I have often been asked how my plays come about. I cannot say. Nor can I ever explain to myself what they mean.