My interest in science was always essentially limited to the study of principles.... That I have published so little is due to this same circumstance, as the great need to grasp principles has caused me to spend most of my time on fruitless pursuits.
Investors making purchases in an overheated market need to recognize that it may often take an extended period for the value of even an outstanding company to catch up with the price they paid.
We need be careful how we deal with those about us, when every death carries to some small circle of survivors, thoughts of so much omitted, and so little done- of so many things forgotten, and so many more which might have been repaired! There is no remorse so deep as that which is unavailing; if we would be spared its tortures, let us remember this, in time.