Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事情，你就会成功。
"A life without reflection is a life half-lived, and biography is the mirror."
Every aspect of learning or any other feature of intelligence can in principle be so precisely described that a machine can be made to simulate it.
Collaboration across industries is key to solving the world's energy challenges.
当儿童还没有发展起控制能力的时候，让儿童想干什么就干什么是与自由观念相违背的。