A rise in the level of saving can reduce aggregate activity temporarily but only a sustained high level of saving makes it possible to have the sustained high level of business investment that contributes to the long-run growth of output.

Perpetual devotion to what a man calls his business is only to be sustained by perpetual neglect of many other things.

Probably nothing serious or worthwhile can be accomplished without one's willingness to be alone for sustained periods of time which is not to say that one must live alone obsessively.

Look at the Afghans during the time of the Soviet invasion. They were among the poorest Muslims in the world yet they were sustained by their faith in God and God alone.