By now he has dropped the complacent notion.

现在，他抛弃了一个得意的想法。

※Anger begins with folly, and ends in repentance.——Pythagoras, Ancient Greek mathematician愤怒以愚蠢开始，以后悔告终。古希腊数学家   毕达哥拉斯 Being reluctant to think , unwilling to study intensively and under-stand deeply and being complacent  and satisfied at negligible knowledge  all are the cause of poor intelligence, which can be germed as "foolish".Maxim Gorky, Russian writer——懒于思索、不愿意钻研和深入理解、自满和满足于微不足道的知识，都是智力贫乏的原因。这种贫乏通常用两个字来称呼，那就是“愚蠢”。俄国作家   高尔基  M