Courage is what it takes to stand up and speak； courage is also what it takes to sit down and listen.
勇气是能站起来侃侃而谈。勇气也是能坐下来静静倾听。
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.
宇宙是不对称的，我相信我们所知道的生命是宇宙不对称性的直接结果。