In our spring-time every day has its hidden growths in the mind, as it has in the earth when the little folded blades are getting ready to pierce the ground.

Dickens, Charles. Great Expectations. Penguin Classics, 2002, ch. 2.

Bacon, Francis. "The Advancement of Learning." Francis Bacon: The Major Works, edited by Brian Vickers. Oxford University Press, 2008, bk. 1, pt. 5, no. 1.

Dostoyevsky, Fyodor. Crime and Punishment, translated and edited by Michael R. Katz. W. W. Norton & Company, 2018.

Laozi [Lao Tzu]. "The Natural Way of Lao Tzu." A Source Book in Chinese Philosophy, translated by Wing-Tsit Chan. Princeton University Press, 1969, ch. 64.