If one bird foraging in a flock on the ground suddenly takes off, all other birds will take off immediately after, before they even know what's going on. The one who stays behind may be prey. — Frans de Waal Copy Share Image
Humans became easy prey when they moved from the forest to the savanna, which deprived them of the option of climbing trees to flee predators. This shift made it necessary for the men to actively protect the women and their… — Frans de Waal Copy Share Image
If both parties have a stake in the other, the chances of them killing each other are going to be reduced. — Frans de Waal Copy Share Image
I sometimes try to imagine what would have happened if we’d known the bonobo first and the chimpanzee only later—or not at all. The… — Frans de Waal Copy Share Image
Unlike the primate hand, the elephant's grasping organ is also its nose. Elephants use their trunks not only to reach food but also to… — Frans de Waal Copy Share Image
The possibility that empathy resides in parts of the brain so ancient that we share them with rats should give pause to anyone comparing… — Frans de Waal Copy Share Image
“on August 16, 1996, when an eight-year-old female gorilla named Binti Jua helped a three-year-old boy who had fallen eighteen feet into the primate… — Frans de Waal Copy Share Image
We start out postulating sharp boundaries, such as between humans and apes, or between apes and monkeys, but are in fact dealing with sand… — Frans de Waal Copy Share Image
Perhaps it's just me, but I am wary of any persons whose belief system is the only thing standing between them and repulsive behavior. — Frans de Waal Copy Share Image
Personally, I think it is possible to build a society that is moral on a nonreligious basis, but the jury is still out on… — Frans de Waal Copy Share Image
“humans are a strange lot. We have the power to analyze and explore the world around us, yet panic as soon as the evidence… — Frans de Waal Copy Share Image
Armies are a purely human invention. Most soldiers who go to war nowadays don't even do it because they're inherently aggressive. — Frans de Waal Copy Share Image
