"Even a worm will turn" is an

English language English is a West Germanic language of the Indo-European language family, with its earliest forms spoken by the inhabitants of early medieval England. It is named after the Angles, one of the ancient Germanic peoples that migrated to the ...

expression used to convey the message that even the

meek Meekness is an attribute of human nature and behavior that has been defined as an amalgam of righteousness, inner humility, and patience. Meekness has been contrasted with humility alone insomuch as humility simply refers to an attitude towards o ...

est or most docile of creatures will retaliate or seek revenge if pushed too far. The phrase was first recorded in a 1546 collection of proverbs by

John Heywood John Heywood (c. 1497 – c. 1580) was an English writer known for his plays, poems, and collection of proverbs. Although he is best known as a playwright, he was also active as a musician and composer, though no musical works survive. A devout ...

, in the form "Treade a worme on the tayle, and it must turne agayne." It was used in

William Shakespeare William Shakespeare ( 26 April 1564 – 23 April 1616) was an English playwright, poet and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's nation ...

's play ''

Henry VI, Part 3 ''Henry VI, Part 3'' (often written as ''3 Henry VI'') is a history play by William Shakespeare believed to have been written in 1591 and set during the lifetime of King Henry VI of England. Whereas '' 1 Henry VI'' deals with the loss of Eng ...

''. In the play, the phrase is uttered by Lord Clifford, killer of Rutland as,

References

{{Shakespeare tetralogy 1546 introductions Shakespearean phrases English proverbs