The best time to plant a tree was 20 years ago. The second best time is now.
"In the realm of algorithms, elegance is not just aesthetic—it often leads to efficiency."
The actions of men are the best interpreters of their thoughts.
The universe is a machine for the production of gods.
心理学的真理是经得起生活考验的东西。
A well-run quarry is a symphony of precision, safety, and respect.《The Quarry Master's Manual》
"I must say a word about fear. It is life's only true opponent. Only fear can defeat life."