Letter 121 — On Instinct in Animals (§22)

“Do you not see how skillful bees are in building their cells? How completely harmonious in sharing and enduring toil? Do you not see how the spider weaves a web so subtle that man’s hand cannot imitate it; and what a task it is to arrange the threads, some directed straight towards the centre, for the sake of making the web solid, and others running in circles and lessening in thickness—for the purpose of tangling and catching in a sort of net the smaller insects for whose ruin the spider spreads the web?”