【格言】人生就像骑单车,要保持平衡,就必须一直向前。  posted on 2017/01/01 (  552 )

人生就像骑单车,要保持平衡,就必须一直向前。

Life is like riding a bicycle. To keep your balance, you must keep moving

-- 亚伯特.爱因斯坦,相对论之父