"The past is always tense, the future perfect."
Man is the only creature who refuses to be what he is.
最深刻的发现往往来自最简单的观察。
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.