An empty head is not really empty; it is stuffed with rubbish. Hence the difficulty of forcing anything into an empty head.

One of the chief differences between an adult and a juvenile is that the adult knows when he is an ass while the juvenile never does.

There is a guilty conscience behind every brazen word and act and behind every manifestation of self-righteousness.

It is when power is wedded to chronic fear that it becomes formidable.

The opposite of the religious fanatic is not the fanatical atheist but the gentle cynic who cares not whether there is a god or not.

The greatest weariness comes from work not done.

A great man's greatest good luck is to die at the right time.