who will not learn when he is young will regret it when he is old. 少壯不努力，老大徒傷悲。
is harder to conceal ignorance than to acquire knowledge. 掩蓋無知要比學到知識更難。
ledge comes from experience alone.知識來自實踐。
ledge is a city to the building of which every human being brought a stone.知識是一座城堡，每個人都應爲它增磚添瓦。
ledge is a treasure, but practice is the key to it.知識是寶庫，而實踐是開啓寶庫的鑰匙。
ledge is power.知識就是力量。
ledge is the food of the soul.知識是心靈的食糧。
ledge makes humble, ignorance makes proud.知識使人謙虛，無知使人驕傲。
ledge without practice makes but half an artist.有知識而無時間，只算半個能人。
n from the mistakes of others and prevent your own.前人犯錯，後人戒。
n to creep before you leap.先學爬，後學跳。（循序漸進）
n young, learn fair.學習趁年少，而且要學好。
ning is a bitter root, but it bears sweet fruit. 學習根苦果甜。
ning is like rowing upstream; not to advance is to dropback. 學習如逆水行舟，不進則退。
ning is the eye of the mind.學問是心靈的眼睛。
ning without thought is useless; thought without learning is dangerous. 學而不思則罔，思而不學則殆。
ignorance, but the ignorance of ignorance, is the death of knowledge. 不是無知本身，而是對無知的無知，纔是知識的死亡。
ing is more terrible than ignorance in action. 最可怕的事莫過於無知而行動。
wise man is always a good listener. 智者善聽人言。
e is no end to learning. 學無止境。
e is no royal road to learning.學問之道無捷徑。
is learned in the cradle is carried to the grave.孩提時代學到的東西，至死也不會忘卻。
om is more precious than wealth. 智慧比財富更寶貴。
out learning, without eyes.沒有學識就是盲人。