I could easily defeat you single-handedly,
but the rules REQUIRE four.
The Big Bang Theory Season 1, Episode 13
And doesn't REQUIRE outside machinery
to be built to access it.
The Big Bang Theory Season 8, Episode 21
Going smaller would REQUIRE
weeks' worth of new computations.
The Big Bang Theory Season 10, Episode 15
Going smaller would REQUIRE
weeks' worth of new computations.
The Big Bang Theory Season 10, Episode 23
...REQUIRE me to bring you
a hot beverage in time of need.
The Big Bang Theory Season 4, Episode 22