“The most important reason for adopting a philosophy of life, though, is that if we lack one, there is a danger that we will mislive—that we will spend our life pursuing goals that aren’t worth attaining or will pursue worthwhile goals in a foolish manner and will therefore fail to attain them.”
~ Irvine, William B. / A Guide to the Good Life: The Ancient Art of Stoic Joy (p. 203). Oxford University Press. Kindle Edition.