“The best time to plant a tree was 20…
“The best time to plant a tree was 20 years ago. The second best time is now.” Chinese Proverb
— from Time
In the book
Stop sharpening forever and fly. Yes, prepare — give me six hours to fell a tree and I will spend four sharpening the axe — but learn the difference between sharpening and stalling. The best time to plant a tree was twenty years ago; the second-best time is today. To my children, and to theirs: — Time