十年曰幼，二十曰弱，三十曰壮，四十曰强，五十曰艾，六十曰耆，七十曰老。

无忧无虑的时代已经远远逝去，辉煌的时代还等着你去不断拼搏。

It is the most pleasant thing in the world to struggle for a noble ideal.But,in this days,I have another idea.There is another thing worth persuiting in your life,it is named happiness.