最可持续的采石场是能够平衡生产和环境管理的采石场。
The most sustainable quarry is the one that balances production with environmental stewardship.
The progress of mathematics is measured by the number of problems it can solve.
船在港口是安全的，但那不是船被建造的目的。
"Writing is like making love. Don’t worry about the orgasm, just concentrate on the process."
Don't sleep during the day at night, more or less what escape hide it. The day cannot solve the knot, the night slowly consumes.