但幸福除了一个人和他所过的生活之间的简单和谐之外，还有什么呢？

The aim of education should be to teach us rather how to think, than what to think—rather to improve our minds, so as to enable us to think for ourselves, than to load the memory with thoughts of other men.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

Any change, even a change for the better, is always accompanied by drawbacks and discomforts.