Therefore, a man occupied with such reflections should choose an austere and pure dwelling-place. The spirit is weakened by surroundings that are too pleasant, and without a doubt one’s place of residence can contribute towards impairing its vigour. Animals whose hoofs are hardened on rough ground can travel any road; but when they are fattened on soft marshy meadows their hoofs are soon worn out.

—Seneca, Letters from a Stoic