“He who sees a need and waits to be asked for help is as unkind as if he had refused it.”

“They had their faces twisted toward their haunches and found it necessary to walk backward, because they could not see ahead of them. ...And since he wanted so to see ahead, he looks behind and walks a backward path.”

“As the geometer intently seeksto square the circle, but he cannot reach, through thought on thought, the principle he needs, so I searched that strange sight.”

“Open your mind to what I shall disclose, and hold it fast within you; he who hears, but does not hold what he has heard, learns nothing.”

“And as he, who with laboring breath has escaped from the deep to the shore, turns to the perilous waters and gazes.”

“Lying in a featherbed will not bring you fame, nor staying beneath the quilt, and he who uses up his life without achieving fame leaves no more vestige of himself on earth than smoke in the air or foam upon the water.”

“The devil is not as black as he is painted.”