Just as iron rusts from disuse... even so does inaction spoil the intellect.

Ask counsel of him who rules himself well.

One can have no smaller or greater mastery than mastery of oneself.

O Lord, thou givest us everything, at the price of an effort.

Whatever you do in life, if you want to be creative and intelligent, and develop your brain, you must do everything with the awareness that everything, in some way, connects to everything else.

King of the animals — as thou hast described him — I should rather say king of the beasts, thou being the greatest — because thou hast spared slaying them, in order that they may give thee their children for the benefit of the gullet, of which thou hast attempted to make a sepulchre for all animals; and I would say still more, if it were allowed me to speak the entire truth.

Being willing is not enough. We must do.