世界充满了美与丑，而我们选择看哪一种。
The world is full of beauty and ugliness, and it's up to us to choose which one we want to see.
数学思想的真正考验是它能否激发进一步的思考。
Wall Street has too much wealth and political power.
Success is a journey, not a destination.
The most important thing is to keep the most important thing the most important thing.
The most sustainable farm is the one that remains profitable year after year.