There is no man, however wise, who has not at some period of his youth said things, or lived in a way the consciousness of which is so unpleasant to him in later life that he would gladly, if he could, expunge it from his memory.

The most important property of a program is whether it accomplishes the intention of its user.

那只是我的一小步，却是人类的一大步。

Vegetable planting is not only production but also a responsibility. We must be responsible for the health of consumers.

The most dangerous threat to democracy is the erosion of trust in institutions.