Knowledge is a city to the building of which every human being brought 

a stone.  -- Emerson 

知识是一座城堡，每个人都应为它增砖添瓦。-- 爱默生 

Real knowledge, like everything else of value, is not to be obtained easily, 

it must be worked for, studied for, thought for, and more than all, must be 

prayed for.  -- Thomas Arnold 

真知如同珍宝，不是轻易获得的，必须学习、钻研、思考，最重要的是必须有强烈的求知欲。   

-- 托马斯 · 阿诺德 

Knowledge comes from experience alone. 

知识来自实践。 

Knowledge makes humble, ignorance makes proud. 

知识使人谦虚，无知使人骄傲。 

Knowledge is power.  -- Bacon 

知识就是力量。  -- 培根 

Knowledge is a treasure, but practice is the key to it. 

知识是宝库，而实践是开启宝库的钥匙。 

Knowledge is the food of the soul.  -- Plato 

知识是心灵的食粮。  -- 柏拉图 

Knowledge, in truth, is the great sun in the firmament. Life and power are scattered with all its beams.  -- Daniel Webster 

知识的确是天空中硕大无比的太阳。它的光辉撒下生命和力量。   -- 韦伯斯特 

Knowledge without practice makes but half an artist. 

有知识而无时间，只算半个能人。 

Learning is the eye of the mind. 

学问是心灵的眼睛。 

Learn young, learn fair. 

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