The secret of being miserable is to have leisure to bother about whether you are happy or not.
The future of energy lies in the balance between traditional resources and renewable alternatives.
In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.
相关系数的可能误差不是可以从第一原理推导出来的东西，而是必须通过经验找到的。
如果你想飞翔，就必须放弃那些拖累你的事物。