If you want knowledge,you must toil for it.
若要求知識，須從勤苦得。
A little knowledge is a dangerous thing.
淺學誤人。
A handful of common sense is worth a bushel of learning.
少量的常識，當得大量的學問。
Knowledge advances by steps and not by leaps.
知識只能循序漸進，不能躍進。
Learn wisdom by the follies of others.
從旁人的愚行中學到聰明。
