Assumption is the mother of all screw-ups.

An Assumption is always the edge of one of our worlds.

Assumption is the mother of all screw-ups.

The Assumption is the termite of relationships.

Belief is itself the true God-announcing miracle.

Belief is to be rejected: no one opinion is any more probable or likely than another.

Belief is a kind of trap, because if you belief something you are forever precluded from believing its opposite.

Belief is custom — many convictions are family hand-me-downs.

Certainty is foolish ---- It’s not what we don’t know that gets us in trouble. It’s what we know for sure that just ain’t so.

Certainty is impossible — we see through a glass, darkly.

Certainty is an absurd one.

Certainty is dangerous — Human beings are perhaps never more frightening than when they are convinced beyond doubt that they are right.

Concentration is the secret of strength in politics, in war, in trade, in short, in all management of human affairs.

Concentration is the secret of strength in all the management of human affairs.

Concentration is difficult -- sometimes our only hope is to be distracted from distraction by distraction.

Concentration is a fine antidote to anxiety.