30、Even a great life is only a life until you make it.

 

美好生活,自己创造.

 

31、Do not know how high the sky is until one climbs up the tops of mountains,and do not know how thick the earth is until one comes to the deep river.(Xun Kuang China)

 

不登高山，不知天之高也；不临深溪，不知天之厚也。（荀况 中国）