"A personality is a full congress of orators and pressure groups, of children, demagogues, communists, isolationists, war mongers, mugwumps, grafters, prayer-makers, adventurers and clerks; with each of these in a minority of one."
The true investor welcomes volatility... a wildly fluctuating market means that irrationally low prices will periodically be attached to solid businesses.
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly. A programmer is ideally an essayist who works with traditional aesthetic and literary forms as well as mathematical concepts, to communicate the way that an algorithm works and to convince a reader that the results will be correct.