Sacredness binds people together, and then blinds them to the arbitrariness of the practice.

The extreme self-sacrifice characteristic of group-selected species such as ants and bees can often be found among soldiers.

If you are in passionate love and want to celebrate your passion, read poetry. If your ardor has calmed and you want to understand your evolving relationship, read psychology. But if you have just ended a relationship and would like to believe you are better off without love, read philosophy.

You can’t make a dog happy by forcibly wagging its tail. And you can’t change people’s minds by utterly refuting their arguments.

If you think that moral reasoning is something we do to figure out the truth, you’ll be constantly frustrated by how foolish, biased, and illogical people become when they disagree with you.

Morality binds and blinds.

I believe that an evolutionary approach specifying the foundation of our moral sense can allow us to appreciate Hindu and Muslim cultures where women are veiled and seem to us to lead restricted lives.