Grief has limits, whereas apprehension has none. For we grieve only for what we know has happened, but we fear all that possibly may happen. – Pliny the Younger
There never comes a point where a theory can be said to be true. The most that one can claim for any theory is that it has shared the successes of all its rivals and that it has passed at least one test which they have failed. – Sir Alfred Jules Ayer
