I am of opinion that there is nothing so beautiful but that there is something still more beautiful, of which this is the mere image and expression,--a something which can neither be perceived by the eyes, the ears, nor any of the senses; we comprehend it merely in the imagination.
A thankful heart is not only the greatest virtue, but the parent of all the other virtues.
[Lat., Gratus animus est una virtus non solum maxima, sed etiam mater virtutum onmium reliquarum.]
Mathematics is an obscure field, an abstruse science, complicated and exact; yet so many have attained perfection in it that we might conclude almost anyone who seriously applied himself would achieve a measure of success.