Famous quotes containing the words unknown and/or sister:
“The process of discovery is very simple. An unwearied and systematic application of known laws to nature causes the unknown to reveal themselves.”
—Henry David Thoreau (1817–1862)
“Lord, do you not care that my sister has left me to do all the work by myself? Tell her then to help me.”
—Bible: New Testament, Luke 10:40.
Martha to Jesus.