“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.”

“There is one mind common to all individual men. Every man is an inlet to the same and to all of the same.”

“It sometimes occurs that memory has a personality of its own and volunteers or refuses its information at its will, not at mine.”

“Thought dissolves the material universe by carrying the mind up into a sphere where all is plastic.”