Sometimes, it really is only a little thing that can make a big difference. A genuine smile may brighten someone’s day. A kind word or a sincere expression of appreciation can help somebody keep on going through tough times. “Loving-kindness” was what the Tibetan Buddhist crazy wisdom master Chogyam Trungpa Rimpoche used to call it, and for him and his students it was a most pertinent practice. It helps alleviate the suffering in the world, the old masters all say.