The invariable mark of wisdom is to see the miraculous in the common. Ralph Waldo Emerson
As in geology, so in social institutions, we may discover the causes of all past changes in the present invariable order of society. Henry David Thoreau
There is no rule more invariable than that we are paid for our suspicions by finding what we suspect. Henry David Thoreau
An excellent man, like precious metal, is in every way invariable; A villain, like the beams of a balance, is always varying, upwards and downwards. John Locke
I must take issue with the term 'a mere child,' for it has been my invariable experience that the company of a mere child is infinitely preferable to that of a mere adult. Fran Lebowitz
