As I aim at nothing but Truth, and so far as in me lieth, to point out Mistakes that may have crept into certain Matters; I hope that in so doing those I chance to censure will not take it ill: and if they would expose any Errors in my own Discoveries, I'd esteem it an Encouragement toward the Attaining of a nicer Accuracy.

Antony van Leeuwenhoek and His "Little Animals", Envoy: Leeuwenhoeck's Place in Protozoology and Bacteriology