The higher your energy level, the more efficient your body. The more efficient your body, the better you feel and the more you will use your talent to produce outstanding results.
A man who dares to waste one hour of time has not discovered the value of life.  
解释:处于安全环境时要考虑到可能出现的危险,考虑到危险就会有所准备,事先有了准备就可以避免祸患。