Famous quotes containing the words open and/or source:
“Philosophy is like trying to open a safe with a combination lock: each little adjustment of the dials seems to achieve nothing, only when everything is in place does the door open.”
—Ludwig Wittgenstein (1889–1951)
“You have never by a word or a deed given me one moment’s uneasiness; on the contrary I have felt perpetual gratitude to heaven for having given me, in you, a source of so much pure and unmixed happiness.”
—Thomas Jefferson (1743–1826)