The skills of becoming happy turn out to be almost entirely different from the skills of not being sad, not being anxious, or not being angry. - Martin E P Seligman

Good science requires the interplay of analysis and synthesis. One never knows if basic research is truly basic until one knows what it is basic to. Modern physics came into its own not because of its theories — which can be enormously counterintuitive and highly controversial (muons, wavicles, superstrings, the anthropic principle, and all that) — but because physicists built the atomic bomb and modern nuclear power plants.

When an individual responds actively and constructively (as opposed to passively and destructively) to someone who is sharing a positive experience, love and friendship increase.

Fifth, you learn to recognize and question the depression-sowing assumptions governing so much of what you do: