xTube在线视频互动社区"操千曲而后晓声，观千剑而后识器。"
— 刘勰
"The only limit to our realization of tomorrow is our doubts of today."
— Franklin D. Roosevelt
"The only limit to our realization of tomorrow is our doubts of today."
— Franklin D. Roosevelt
"The only limit to our realization of tomorrow is our doubts of today."
— Franklin D. Roosevelt
"操千曲而后晓声，观千剑而后识器。"
— 刘勰
"The only limit to our realization of tomorrow is our doubts of today."
— Franklin D. Roosevelt
"己所不欲，勿施于人。"
— 孔子