Prayer, study, and suffering make a pastor.

But the Jews are so hardened that they listen to nothing; though overcome by testimonies they yield not an inch. It is a pernicious race, oppressing all men by their usury and rapine. If they give a prince or magistrate a thousand florins, they extort twenty thousand from the subjects in payment. We must ever keep on guard against them.

The article of justification is fragile. Not in itself, of course, but in us. I know how quickly a person can forfeit the joy of the Gospel.

Whoever has skill in music is of good temperament and fitted for all things. We must teach music in schools.

The kingdom of God does not consist in talk, but in power, that is, in works and practice. God loves the 'doers of the word' in faith and love, and not the 'mere hearers,' who, like parrots, have learned to utter certain expressions with readiness.

Unthankfulness is theft.

God wants to be praised for nourishing and cherishing, for He cherishes all creatures. He is not only the Creator, but He is also the Sustainer and Nourisher.