To underestimate oneself is as much an exaggeration of one's powers than the other.
Arthur Conan DoyleEverything comes in circles. [...] The old wheel turns, and the same spoke comes up. It's all been done before, and will be again.
Arthur Conan DoyleWe tottered together upon the brink of the fall. I have some knowledge, however, of baritsu, or the Japanese system of wrestling, which has more than once been very useful to me. I slipped through his grip, and he with a horrible scream kicked madly for a few seconds and clawed the air with both his hands.
Arthur Conan Doyle