那只是我的一小步，却是人类的一大步。
写作是一种自由的形式。
不能检查反省自己的人，看不出自身毛病；不能耐心忍受麻烦的人，终究是一事无成。
Do not feel absolutely certain of anything.
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.