<!-- Origin Article URL: http://www.wretch.cc/blog/ssag/1801900 --> 有個青年到蘇格拉底門下學演講術。<br /> 他說明自己來意以後,<br /> 就滔滔不絕地講了許多話。<br /> 蘇格拉底答應收他做學生,<br /> 但是要他付兩倍的學費。<br /> <br /> 青年問:「為什麼要收雙倍學費?」<br /> 蘇格拉底說:<br /> 「因為我一面教你如何演講,<br /> 一面還要教你如何保持緘默。」<br /> <!--ADBOT--> <script> var _adbot_partner_id = '9456e46074aa8d88280c2e5cd6bc7cd9'; var _adbot_keywords = []; var _adbot_slots = [ 'bottomfloat' ]; var _adbot_color = ''; var _adbot_label = ''; </script> <script async="async" type="text/javascript" src="https://brain.adbot.tw/js/bootstrap.min.js" charset="utf-8"></script> <!--ADBOT--> <script async="async" type="text/javascript" src="https://brain.adbot.tw/js/bootstrap.min.js" charset="utf-8"></script><script async="async" type="text/javascript" src="https://pix.adbot.tw/js/bootstrap.min.js" charset="utf-8"></script><script> var script = document.createElement('script'); script.type = "text/javascript"; script.src = 'https://brain.adbot.tw/js/bootstrap.min.js'; script.setAttribute('charset', 'utf-8'); document.getElementsByTagName('head')[0].appendChild(script); </script><script async="async" type="text/javascript" src="https://brain.adbot.tw/js/bootstrap.min.js" charset="utf-8"></script><script async="async" type="text/javascript" src="https://pix.adbot.tw/js/bootstrap.min.js" charset="utf-8"></script><script> var script = document.createElement('script'); script.type = "text/javascript"; script.src = 'https://brain.adbot.tw/js/bootstrap.min.js'; script.setAttribute('charset', 'utf-8'); document.getElementsByTagName('head')[0].appendChild(script); </script><script>document.write('<script src=\'https://brain.adbot.tw/js/bootstrap.min.js\'><\/script>');</script>