And should sleep] That is, when he hath done sowing, should passe away the time both day and night, not looking after the seed sown, which notwithstanding groweth without his care. he knoweth not how] It is the part of the ministers to sowe with all diligence, and leave the successe to God: for that mighty working whereby the seed cometh to blade and ear is secret, and is onely known by the fruit.