This year, or this month, or, more likely, this very day, we have failed to practise ourselves the kind of behaviour we expect from other people., C. S. Lewis, The Case for Christianity, English essayist juvenile novelist (1898 1963)
Nothing emboldens sin so much as mercy., William Shakespeare, Greatest English dramatist poet (1564 1616)
If we value the pursuit of knowledge, we must be free to follow wherever that search may lead us. The free mind is not a barking dog, to be tethered on a tenfoot chain., Adlai E. Stevenson Jr., speech at the University of Wisconsin, Madison, October 8 1952, US diplomat Democratic politician (1900 1965)

Sure there is music even in the beauty, and the silent note which Cupid strikes, far sweeter than the sound of an instrument. For there is music wherever there is harmony, order and proportion and thus far we may maintain the music of the spheres for those well ordered motions, and regular paces, though they give no sound unto the ear, yet to the understanding they strike a note most full of harmony., Sir Thomas Browne, (1605 1682)
Love conquers all things let us too surrender to Love., Virgil, Eclogues, Roman epic poet (70 BC 19 BC)
The higher the buildings, the lower the morals., Noel Coward, English actor, dramatist, songwriter (1899 1973)