Those who hear and do not understand are like the deaf. Of them the proverb says: "Present, they are absent."
HeraclitusWe have to be faster in calming down a resentment than putting out a fire, because the consequences of the first are infinitely more dangerous than the results of the last; fire ends burning down some houses at the most, while the resentment can cause cruel wars, with the ruin and total destruction of nations.
Heraclitus