If a solution fails to appear ... and yet we feel success is just around the corner, try resting for a while. ... Like the early morning frost, this intellectual refreshment withers the parasitic and nasty vegetation that smothers the good seed. Bursting forth at last is the flower of truth.
Santiago Ramon y CajalIn summary, all great work is the fruit of patience and perseverance, combined with tenacious concentration on a subject over a period of months or years.
Santiago Ramon y CajalEven granting that the genius subjected to the test of critical inspection emerges free from all error, we should consider that everything he has discovered in a given domain is almost nothing in comparison with what is left to be discovered.
Santiago Ramon y CajalIntellectual beauty is sufficient unto itself, and only for it rather than for the future good of humanity does the scholar condemn himself to arduous and painful labors.
Santiago Ramon y Cajal