Ah, make the most of what we yet may spend, Before we too into the Dust descend; Dust into Dust, and under Dust to lie, Sans Wine, sans Song, sans Singer, and—sans End!

Sustainability is no longer an option; it's a necessity for survival.

The book is a mirror: if an ape looks into it, an apostle is unlikely to look out.

The time at our disposal each day is elastic; the passions we feel dilate it, those we inspire contract it; and habit fills up what remains.

可持续的做法不是成本，而是对我们共同未来的投资。