“Whoever despises the high wisdom of mathematics nourishes himself on delusion and will never still the sophistic sciences whose only product is an eternal uproar.”

“A diamond is just a lump of coal that stuck to its job.”

“Make your work to be in keeping with your purpose”

“Nature is constrained by the cause of her laws which dwell inborn in her. Variant: Nature is constrained by the order of her own law which lives and works within her.”

“Every obstacle is destroyed through rigor.”

“We are advertis'd by our loving friends.”

“No, no; 'tis all men's office to speak patience To those that wring under the load of sorrow, But no man's virtue nor sufficiency To be so moral when he shall endure The like himself. Therefore give me no counsel: My griefs cry louder than advertisement.”

“Beware Of entrance to a quarrel; but being in, Bear't that the opposed may beware of thee. Give every man thy ear, but few thy voice; Take each man's censure, but reserve thy judgment. Costly thy habit as thy purse can buy, But not express'd in fancy; rich, not gaudy; For the apparel oft proclaims the man.”