There exists a passion for comprehension, just as there exists a passion for music. That passion is rather common in children, but gets lost in most people later on. Without this passion there would be neither mathematics nor natural science.
I am indebted to [my grandmothers] always for cradling me in the heart of Christ and encouraging my passion to press towards the mark of the high calling on my life, wherever that takes me.
When passion is not fed, it changes to need. At this juncture, marriage becomes a fixed idea in the mind of the bourgeois, being the only means whereby he can win a woman and appropriate her to his uses.