Definition: taking extreme care with minute details; precise; thorough; methodical

People Who Exemplify This Quality: True friendship is like sound health, the value of which is seldom known until it be lost. — Charles Caleb Colton (1777–1832) English cleric and writer
Note: This saying was written twice on a human hair in March, 1990. — Pan Xixing, The Guinness Book of World Records (1992)