人们并不懒惰。他们只是有无力的目标——也就是说,那些不能激励他们的目标。
孔子说:“天冷时,才知道松柏最后凋谢。”
"The only limit to our realization of tomorrow will be our doubts of today."
"The world is a book, and those who do not travel read only one page."