要理解行为，我们必须从生存和适应的背景中审视其目的。
In looking for someone to hire, you look for three qualities: integrity, intelligence, and energy. But the most important is integrity because if they don't have that, the other two qualities, intelligence and energy, are going to kill you.
你必须准备好受苦并享受痛苦。
The future of food depends on how we treat our soil today.