聪明人从别人的错误中学得教训;笨人则自己付出代价。他山之石可以攻玉。
<img title="Laughing" src="http://www.italki.com/Scripts/tinymce/jscripts/tiny_mce/plugins/emotions/img/smiley-laughing.gif" alt="Laughing" border="0" />I think so.
I like this proverb.