Science is endless.
科学是无穷尽的。
If you're fearless, life will be limitless.
I don't really think about age. I think people are as old as they feel and act.
研究历史就是学习时间的语法。
Sustainability must be at the core of every stone we extract, or we extract nothing at all.
就是说做不善的事情要受到惩罚，做善事会得到奖赏。