“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.”

“Nothing is arbitrary, nothing is insulated in beauty. It depends forever on the necessary and the useful. The plumage of the bird, the mimic plumage of the insect, has a reason for its rich colors in the constitution of the animal. Fitness is so inseparable an accompaniment of beauty, that it, has been taken for it.”

“The line of beauty is the line of perfect economy.”

“There is in nature a parallel unity which corresponds to the unity in the mind and makes it available. This methodizing mind meets no resistance in its attempts. The scattered blocks, with which it strives to form a symmetrical structure, fit. This design following after finds with joy that like design went before. Not only man puts things in a row, but things belong in a row.”