Prediction is very difficult, especially about the future.

什么是离婚的主要原因？结婚。

If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.

The organism is essentially a passive responder to environmental stimuli.

Success is not an accident. It is a choice， a discipline， a learning process， a sacrifice， and most of all， a love for what you are doing.

建筑始于工程结束之处。

如果不衡量影响，我们只是在猜测可持续性。