“If you have an apple and I have an apple and we exchange these apples then you and I will still each have one apple. But if you have an idea and I have an idea and we exchange these ideas, then each of us will have two ideas.” George Bernard Shaw
Their intelligence. Elephants understand that ivory is the reason they’re being killed. There are very, very few big bulls with big ivory left in the world, and the two or three still in Tsavo have become nocturnal. I’ve seen a bull with big tusks by the road turn his back, trying to hide the ivory.