【解释】幸福不可强求，保持愉快的心情，更能感受到幸福；灾祸难以避免，消除怨恨他人的念头，就能远离灾祸。

To do things with words is not a special kind of doing， but a special kind of speaking.

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

出自先秦《荀子·儒效》。对于所知道的东西就说知道，不知道的就说不知道；这样，对内是不欺骗自己的良心，对外是不欺骗他人。说明为人应当诚实的道理。

能源转型不仅仅是更换燃料；它关乎整个系统和思维方式的转变。