生于古人之后而议论古人的缺点失误容易，而若处于古人的位置做古人所做的事就很难

The most successful people are those who are good at plan B.

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

Sustainability is not an option; it's a responsibility we owe to future generations.

Good means not merely not to do wrong， but rather not to desire to do wrong.