爱因斯坦的名言：苦和甜来自自己和外界,而坚强则来自于内心,来自于一个人坚持不懈的努力的英语原文是什么

原文：

The bitter and the sweet come from the outside, the hard from within, from one's own efforts. ——Einstein, Albert

权威索引：
http://quotationsbook.com/quote/12076/

Bitter with sweet come from outsider, the strength then come from the heart, and come from personal of ego effort

A sweet and bitter from yourself and outside, and strong from within, from a people unremitting efforts