Knowledge is the true method for achieving success in life. But selfless service is the path to happiness.

知识的确使你成功，但奉献却使你能感到幸福。

youdao

Knowledge is the true method for achieving success in life. But selfless service is the path to happiness.

知识的确使你成功，但奉献却使你能感到幸福。

youdao