Geodesic Null Congruence

Famous quotes containing the words null and/or congruence:

“A strong person makes the law and custom null before his own will.”
—Ralph Waldo Emerson (1803–1882)

“As for butterflies, I can hardly conceive
of one’s attending upon you; but to question
the congruence of the complement is vain, if it exists.”
—Marianne Moore (1887–1972)