"A personality is a full Congress of orators and pressure-groups, of children, demagogues, communists, isolationists, war-mongers, mugwumps, grafters, prayer-meetings, spiritualists, and astrologers."
The past is a foreign country; they do things differently there.
The best way to predict the future is to create it.
It is easier to change the specification to fit the program than vice versa.