Optimism is essential to achievement and it is also the foundation of courage and true progress.
It is now possible to quantify people's levels of happiness pretty accurately by asking them by observation and by measuring electrical activity in the brain in degrees from terrible pain to sublime joy.
There is all the difference in the world between teaching children about...
How do you make any sense of history art or literature without knowing the...
Inequality makes everyone unhappy the poor most of all and that is well...
Those allies who failed to join us will regret it. They're making a...
One cannot be prepared for something while secretly believing it will not...
Happiness can be found, even in the darkest of times, if one only...
