Each part of life has its own pleasures. Each has its own abundant harvest, to be garnered in season. We may grow old in body, but we need never grow old in mind and spirit. No one is as old as to think he or she cannot live one more year.
Peace is freedom in tranquility.
Our minds possess by nature an insatiable desire to know the truth.
Philosophy is true mother of the arts [of science].
Philosophy is the true mother of science.
In all great arts, as in trees, it is the height that charms us; we care nothing for the roots or trunks, yet it could not be without the aid of these.