To be over much facetious is the accomplishment of courtiers and blemish of the wise.
Nothing is so good for an ignorant man as silence; and if he was sensible of this he would not be ignorant.
Whosoever formeth an intimacy with the enemies of his friends, does so to injure the latter. O wise man! wash your hands of that friend who associates with your enemies.
Whoever acquires knowledge but does not practice it is as one who ploughs but does not sow.
So long as money can answer, it were wrong in any business to put the life in danger.
Every leaf of the tree becomes a page of the book, once the heart is opened and it has learnt to read.