will power

noun

control of one's impulses and actions; self-control.

Also, willpower.

Origin

1870-75

will to power

noun

(in the philosophy of Nietzsche) the self-assertive creative drive in all individuals, regarded as the supreme quality of the superman.

Origin

1895-1900

Examples from the web for will power

Considers whether running every day requires will power.
Those strategies will place an increasing emphasis on emerging markets, many of which will power ahead.
The city still has not decided where it will store and maintain the vehicles, or how it will power them.
The biofuels or batteries that will power cars in the alternative future should beat petrol at today's prices.
If their flow becomes more irregular, so will power supply.
They will not develop new engines until they see market demand for the aircraft they will power.
Hybrids, electrics, and what-not will power the motor world into a bright future.
People who clenched a muscle were able to increase their will power in a series of tests.
Drinking and not drinking for an alcoholic has never been about will power or knowing when to stop.
It has nothing to do with will power or time devoted.