今天我们开采的石料必须留下让未来引以为豪的遗产。
A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.
善恶之间的界限是可渗透的，任何人在环境的逼迫下都可能跨越它。
Never stop learning—the moment you do, you start falling behind.
未来的粮食安全蕴藏在波涛之下。
The future of food security lies beneath the waves, and we must farm the seas responsibly.