Well, trouble's my middle name. Actually, my middle name is Marion, but I don't want you spreading that around.

You can't ride two horses with one behind.

Life is for the living.

I call that mind free which jealously guards its intellectual rights and powers, which calls no man master, which does not content itself with a passive or hereditary faith, [and] receives new truth as an angel from Heaven.

Standard mathematics has recently been rendered obsolete by the discovery that for years we have been writing the numeral five backward. This has led to reevaluation of counting as a method of getting from one to ten. Students are taught advanced concepts of Boolean algebra, and formerly unsolvable equations are dealt with by threats of reprisals.

Every success is built on the ability to do better than good enough. As you climb the ladder of success, be sure it's leaning against the right building. Eighty percent of success is showing up.

In formulating any philosophy the first consideration must always be: What can we know? That is, what can we be sure we know, or sure that we know we knew it, if indeed it is at all knowable. Or have we simply forgotten it and are too embarrassed to say anything? Descartes hinted at the problem when he wrote, 'My mind can never know my body, although it has become quite friendly with my legs.