Authors:

They who have no central purpose in their life fall an easy prey to petty worries, fears, troubles, and self-pitying, all of which are indications of weakness, which lead, just as surely as deliberately planned sins (though by a different route), to failure, unhappiness, and loss, for weakness cannot persist in a power evolving universe.

James Allen (2008). “As a Man Thinketh”, p.19, Penguin
They who have no central purpose in their life fall an easy prey to petty worries, fears, troubles, and self-pitying, all of which are indications of weakness, which lead, just as surely as deliberately planned sins