“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.”

“I say, without characters, fame lives long.”

“Let fame, that all hunt after in their lives,Live regist'red upon our brazen tombsAnd then grace us in the disgrace of death;When, spite of cormorant devouring Time,Th' endeavor of this present breath may buyThat honor which shall bate his scythe's keen edgeAnd make us heirs of all eternity.”

“He lives in fame that died in virtue's cause.”