Famous quotes containing the words constant and/or pressure:
“Friendship is never established as an understood relation.... It is a miracle which requires constant proofs. It is an exercise of the purest imagination and the rarest faith.”
—Henry David Thoreau (1817–1862)
“He who is of a calm and happy nature will hardly feel the pressure of age, but to him who is of an opposite disposition youth and age are equally a burden.”
—Plato (c. 427–347 B.C.)