The surest way of concealing from others the boundaries of one s own knowledge is not to overstep them.
Giacomo LeopardiIt's interesting to observe that almost all truly worthy men have simple manners, and that simple manners are almost always taken as a sign of little worth
Giacomo LeopardiThere's no greater sign of being a poor philosopher and wise man than wanting all of life to be wise and philosophical.
Giacomo Leopardi