Avoid him who talks sweetly before you but tries to ruin you behind your back, for he is like a pitcher full of poison with milk on top. Though men be endowed with beauty and youth, and be born in a noble family, yet without education, they are like a palas tree, which is void of any sweet smell. One destitute of wealth is not destitute, but the man devoid of learning is destitute in every way.
