“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.”

“Be merry; you have cause, so have we all, of joy; for our escape is much beyond our loss . . . . then wisely weigh our sorrow with our comfort.”

“Here come the lovers, full of joy and mirth.— Joy, gentle friends! joy and fresh days of love Accompany your hearts!”

“Thou mak'st me merry: I am full of pleasure; let us be jocund”