完美数如同完美的人一样，非常罕见。

Psychology must study the adaptive functions of thought and behavior.

Success is stumbling from failure to failure with no loss of enthusiasm.

永远不要低估渐进式改进的力量。

Mental phenomena are nature's experiments in survival.

The key to successful data management is understanding the data. If you don't understand your data, you can't manage it effectively.

当你开始为了大众吸引力而妥协的那一刻，就是你完蛋的那一刻。

投资可再生能源和更清洁的技术是我们对可持续未来承诺的一部分。