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
"Do not wait to strike till the iron is hot; but make it hot by striking."
— William Butler Yeats
"Believe you can and you’re halfway there."
— Theodore Roosevelt
"Believe you can and you’re halfway there."
— Theodore Roosevelt
"操千曲而后晓声，观千剑而后识器。"
— 刘勰
"Do not wait to strike till the iron is hot; but make it hot by striking."
— William Butler Yeats
"往者不可谏，来者犹可追。"
— 《论语》