I willingly speak to those who know, but for those who do not know I forget.
Learning is ever in the freshness of its youth, even for the old.
A prosperous fool is a grievous burden.
But when once the earth has sucked up a dead man's blood, there is no way to raise him up.
I would rather be ignorant than knowledgeable of evils.
From a small seed a mighty trunk may grow.