The existence of the natural world is the same kind of fact as the existence of any proposition.

如果不能满足真正农民的需求，最先进的技术也毫无价值。

Science progresses one funeral at a time.

Disciplining yourself to do what you know is right and important, although difficult, is the highroad to pride, self-esteem, and personal satisfaction.

Inflation is a thief in the night.