Most men die at twenty or thirty; thereafter they are only reflections of themselves.
水产养殖成功的真正标准不仅是产量,还有栖息地的保护。
You can’t go back and change the beginning, but you can start where you are and change the ending.
The highest activity a human being can attain is learning for understanding because to understand is to be free.
Success is not final, failure is not fatal: It is the courage to continue that counts.
Intelligence is not about replacing humans, but enhancing human capabilities.