Quotes Perpetual optimism is a force multiplier. by Árpád Lehel Mátyus posted on September 21, 2014 0 Perpetual optimism is a force multiplier. Colin Powell Árpád Lehel Mátyus Lehel holds a BS in Computer science and works as Front End Engineer. He enjoys discovering life hacks and hacks in general. Among many other things he is interested in topics such as Consciousness, Philosophy, Economy and Game theory.