To be pure in heart is to take no delight in cunning, but converse sincerely with men, and express nothing, by word or look, which is not felt in the heart.
John CalvinWherever we find the Word of God surely preached and heard, and the sacraments administered according to the institution of Christ, there, it is not to be doubted, is a church of God.
John CalvinWherefore all theology, when separated from Christ, is not only vain and confused, but is also mad, deceitful, and spurious; for, though the philosophers sometimes utter excellent sayings, yet they have nothing but what is short-lived, and even mixed up with wicked and erroneous sentiments.
John Calvin