Do by half-measures

Geert Groote, founder of the Brothers and Sisters of the Common Life, was an enormously appealing, highly idiosyncratic figure of tremendous energy and talent – a man who did nothing, ever, by half measures.

Brigham Young never did anything by half measures.

And therefore it was especially his disdain for mediocrity and for doing things by half measures that made him expect something from the Party, which had promised to do something decisive and to contradict communism effectively.