The greatest journeys are those taken within.
Collaboration is key to solving the complex energy challenges we face today.
我总是很高兴地想到,我的教育大部分是非正式的,并且根植于现实世界。
一有私念,就会迷惑昏庸;一耍脾气,处事就会偏颇无理性。
The best time to plant a tree was 20 years ago. The second-best time is now.