If everything was perfect, you would never learn and you would never grow.
如果一切都很完美，你就永远不会学习和成长。
The challenge is to express the most with the least.
悲伤是私人的事。它需要多久就会持续多久。
Collaboration across sectors is key to solving the world's energy challenges.
The essence of mathematics lies in its power to reveal patterns and symmetries.
道赋予人形貌，天赋予人形体，不要以好恶伤害自己的身心。