"People repeat behaviour that leads to flooding their brains with pleasurable chemicals. The short-term reward loop acts over hours to years, and the long-term reproductive success loop over generations."

"Be careful what you tell yourself, and do not belittle yourself, even in jest. Negative, deprecating self-talk can do significant harm to your self-image."

"Denial is the inevitable consequence of those who are presented with disastrous scenarios without being offered an avenue for success. That is why we need to maintain a hopeful attitude."

"Focus on what you like and forget about what you don't like, before it drains all your energy.Full equipment on the hands of an empty mind is useless, I prefer a full mind with empty hands."

"A positive response to any situation is the key to the feeling of well-being. The more we practice it the easier it becomes. Gradually all automatic reactions are being replaced by a conscious response. When we know we are self-empowered, we take responsibility for our emotions. It is knowing that we have the ability to respond in a way we prefer."

"He laughed a little, in an odd, nervous kind of way. 'Because if I don't get going soon, the whole impetus may die--and if that happens, well, I really shall consider a long, restful plunge into insanity. Sometimes the abyss yawns very attractively."