The greatest loss is what dies inside us while we live. It is not known with what weapon World War III will be fought, but World War IV will be fought with sticks and stones. You're only here for a short visit. So be sure to stop and smell the flowers. So long as a person is capable of self-renewal they are a living being.
Common sense is calculation applied to life.
Our duty is to be useful, not according to our desires, but according to our powers. One single black speck may be the beginning of a gangrene, of a storm, of a revolution. It is easy to perform a good action, but not easy to acquire a settled habit of performing such actions. If he listens to it and acts on it, he is giving a great deal of what it is the world needs most. It is not complicated but it takes courage.