Every species we cultivate teaches us something new about marine ecosystems.
There are only two tragedies in life: one is not getting what one wants and the other is getting it.
生活里有两个悲剧：一个是没有得到我们想要的；另外一个是得到了。
"Opportunities don't happen. You create them."
Pedestrians never seem to realize that they are a threat to the safety of cars.
投资者和投机者之间最现实的区别在于他们对股市波动的态度。
Only by continuous learning can we make continuous progress.