I'll suggest that the happiness hypothesis offered by Buddha and the Stoics should be amended: Happiness comes from within, and happiness comes from without. We need the guidance of both ancient wisdom and modern science to get the balance right.

If you have a personality predisposed to liberalism, you might gravitate more to the artsy crowd or the anti-establishment crowd. And then those peers will affect you, and they will give you values, and you will copy them.

People who devote their lives to studying something often come to believe that the object of their fascination is the key to understanding everything.

Once you understand the power of stimulus control, you can use it to your advantage by changing the stimuli in your environment and avoiding undesirable ones; or, if that's not possible, by filling your consciousness with thoughts about their less tempting aspects.

Understanding the simple fact that morality differs around the world, and even within societies, is the first step toward understanding your righteous mind.

If I believe that abortion is wrong, and I want to convince you that it's wrong, there's no reason I should recount to you my personal narrative of how I came to believe this.

Anyone who values truth should stop worshipping reason.