To be a moral human being is to pay, be obliged to pay, certain kinds of attention.

If you believe that every life has equal value, it's revolting to learn that some lives are seen as worth saving and others are not. We said to ourselves: "This can't be true. But if it is true, it deserves to be the priority of our giving."

消费者偏好变化迅速，保持领先意味着多倾听少说话。