The best way to test a program is to test it.
实验的语言比任何推理都更具权威性:事实可以摧毁我们的推理,但反之则不然。
I dream that my son will grow up to be a good person, a free person. I dream that someday you will return to revisit the land of our childhood. I dream that flowers will bloom in the streets again...and kites will fly in the skies!
The best way to predict the future is to create it.