The blindness of unbelievers in no way detracts from the clarity of the gospel; the sun is no less bright because blind men do not perceive its light.
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 CalvinNearly all the wisdom we possess, that is to say, true and sound wisdom, consists of two parts: the knowledge of God and of ourselves.
John Calvin