No one can make you feel inferior without your consent.

I adore art. when I am alone with my notes， my heart pounds and the tears stream from my eyes， and my emotion and my joys are too much to bear.

Sustainability must be profitable, or it won't be sustainable—this is the challenge we must solve in modern farming.《The Grain Frontier》

The only learning which significantly influences behavior is self-discovered, self-appropriated learning.

Sustainability must be at the core of every stone we extract, or we extract nothing at all.

"A man's memory might have only a hundred clear days in it and he has lived thousands."