The most important things are the hardest to say.
最重要的事情往往最难说出口。
可持续性不是一种趋势，而是我们对未来的责任。
Psychology must bridge the gap between theory and practical life.
中国石化要坚持高质量发展，把科技创新作为核心驱动力。
数学不是关于数字、方程、计算或算法：它是关于理解的。
To write is to try to know what we would write if we wrote.
When words leave off, music begins.