“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.”

“All life is an experiment. The more experiments you make the better.”

“All life is an experiment. Place yourself in the middle of the stream of power and wisdom which animates all whom it floats, and you are without effort impelled to truth, to right and a perfect contentment. I wish to write such rhymes as shall not suggest a restraint, but contrariwise the wildest freedom. Immortality. I notice that as soon as writers broach this question they begin to quote. I hate quotation. Tell me what you know.”

“We act not for ourselves but for the whole human race. The event of our experiment is to show whether man can be trusted with self - government.”