A cup is useful only when it is empty; and a mind that is filled with beliefs, with dogmas, with assertions, with quotations, is really an uncreative mind.

Only hethat has traveled the road knows where the holes are deep.

Bythree methods we may learn wisdom: first, by reflection, which is noblest;second, imitation, which is easiest; and third by experience, which is thebitterest.

If you could kick the person in the pants responsible for most of your trouble, youwouldn't sit for a month.

All excellent things are as difficult as they are rare

Being virtuous is no feat once temptation ceases.

An individual without information can't takeresponsibility. An individual with information can't help but takeresponsibility.

We willbe known by the tracks we leave behind.

A child is not a vase to be filled, but a fire to be lit.

The leaders who work most effectively, it seems to me,never say ‘I.’ And that's not because they have trainedthemselves not to say ‘I.’ They don't think ‘I.’ Theythink ‘we’; they think ‘team.’ They understand theirjob to be to make the team function. They

Instinct is the nose of the mind.

Conflictis the gadfly of thought. It stirs us to observation and memory. Itinstigates to invention. It shocks us out of sheeplikepassivity, and sets us at noting and contriving.