It is the mark of an instructed mind to rest satisfied with the degree of precision which the nature of the subject admits and not to seek exactness when only an approximation of the truth is possible. – Aristotle
Excellence can be attained if you care more than others think is wise, Risk more than others think is safe, Dream more than others think is practical, and Expect more than others think is possible. – Anon.
Great scientific discoveries have been made by men seeking to verify quite erroneous theories about the nature of things. – Aldous Huxley, "Wordsworth in the Tropics"
It is in our faults and failings, not in our virtues, that we touch each other, and find sympathy. It is in our follies that we are one. – Jerome K. Jerome