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 rolling stone gathers no moss» A person who never settles in one place will never be successful.A person who does not keep active will grow mouldy.
a spoonful of sugar helps the medicine go down» An otherwise unpleasant situation can be pleasant when a pleasant aspect is deliberately introduced.1999, Eli Yassif, The Hebrew Folktale: History, Genre, Meaning, Indiana University Press, ISBN 0253335833, page 372,One is known as the "sweetening parable," that is to say a spoonful of sugar helps the medicine go down. Thus, when the aim is to preach to the people, to guide them along the "bitter," arduous path of upholding burdensome precepts and prohibitions, a tale can lighten the load, make the "medicine" easier "to swallow."2001, Maureen Reagan, First Father, First Daughter: A Memoir, Little, Brown, ISBN 0316736368, page 319,It put some fun into the tedious business of preparing for a presidential debate. A spoonful of sugar helps the medicine go down, right?2004, John Hoover, How to Work for an Idiot: Survive & Thrive... Without Killing Your Boss, Career Press, ISBN 1564147045, page 11,If a spoonful of sugar helps the medicine go down, a barrel of laughs can wash down the big pills you might need to swallow.
