科技
1、It is better to waste one's youth than to do nothing with it at all. 年輕時做一點兒事要比什么事也不做好；
2、It is not by the grey of the hair that one knows the age of the heart.白發并不能告訴你一個人心靈的年紀；
3、Where there is life there is hope.一希若存 希望不滅；
4、A man
