a leopard cannot change its spots» One cannot change one's own nature.1597, William Shakespeare, Richard II Act i, Scene 1 (First Folio):King. Lyons make Leopards tame.Mowbray. Yea but not change his ?pots.1611, King James Version of the Bible, Jeremiah 13:23:Can the Ethiopian change his skin, or the leopard his spots?1820, Walter Scott, Ivanhoe Chapter 32:End now all unkindness. Let us put the Jew to ransom, since the leopard will not change his spots, and a Jew he will continue to be.1918, Johnston McCulley, Thubway Tham's Inthane Moment:The leopard cannot change his spots, old boy.
a picture paints a thousand words» A visualisation is a better description than a verbal description.1971, David Gates (of Bread), If, from Manna album:If a picture paints a thousand wordsThen why can't I paint you;The words will never showThe you I've come to know.1989, Alan Kay, quoted in K?o-tung Huang, Timothy D. Huang, Introduction to Chinese, Japanese and Korean Computing, World Scientific, ISBN 9971506645, p. 9:Most human beings, no matter how familiar they are with abstract symbols, respond to voice and images better than written language. In other words, A picture paints a thousand words.2006, Paul Shakespeare, Building a Dune Buggy: The Essential Manual, ISBN 1904788734, p. 52:See accompanying diagram: a picture paints a thousand words, and all that!
April showers bring May flowers» April, traditionally a rainy period, gives way to May, when flowers will bloom because of the water provided to them by the April rains.By extension, that a period of discomfort can provide the basis for a period of happiness.
are your ears burning» Said of somebody who was not present but was the topic of discussion.
argue out» To discuss to reach an agreed conclusion, or decision.