为明天做准备的最好方法就是今天尽力而为。
The best preparation for tomorrow is doing your best today.
世界杀害最善良的人，最温和的人，最勇敢的人，不偏不倚，一律看待。
What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.