Frans de Waal

Scientists are supposed to study animals in a totally objective fashion, similar to the way we inspect a rock or measure the circumference of a tree trunk. Emotions are not to interfere with the assessment. The animal-rights movement capitalizes on this perception, depicting scientists as devoid of compassion.

The Jewish background is not that far from the black groove. Blacks are downtrodden, Jews are downtrodden, therefore they have something in common in that affliction. Being downtrodden often makes one more empathetic and sympathetic.

I'm one of those people who is colour blind to a certain degree. And that doesn't mean I'm not acutely aware of race in our country and abroad and in the world. I know what's going on, and I'm very aware of it.