Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
所有模型都是错误的，但有些是有用的。
When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.
我相信掌握别人已经摸索出的最佳方法是一门学问。我不相信只是坐下来自己空想。
传统观念中影响人一生的五大因素。
The internet could be a very positive step towards education, organisation and participation in a meaningful society.