Experience has shown that it is by no means difficult for philosophy to begin. Far from it. It begins with nothing, and consequently can always begin. But the difficulty, both for philosophy and for philosophers, is to stop.
Søren Kierkegaard, Either/Or, vol. 1 (trans. Swenson & Swenson).
Søren Kierkegaard, Either/Or, vol. 1 (trans. Swenson & Swenson).