生物学的美在于它的复杂性和解决方案的优雅。
The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
When you're surrounded by people who share a passionate commitment around a common purpose, anything is possible.
如果你没有犯错,说明你不够努力。
Never stop learning—the moment you do, you start falling behind.