Psychology must be based on observable facts, not speculation.
心理学必须基于可观察的事实,而非推测。
海洋不仅仅是一种资源;保护它是我们对后代的责任。
When we are no longer able to change a situation, we are challenged to change ourselves.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
Every song is a story, and every note is an emotion.