Whoever is out of patience is out of possession of his soul. Men must not turn into bees, and kill themselves in stinging others.

Imitation causes us to leave natural ways to enter into artificial ones; it therefore makes slaves.

It is a poor wit who lives by borrowing the words, decisions, inventions and actions of others.

I hardly know so true a mark of a little mind as the servile imitation of others.

It is by imitation, far more than by precept, that we learn everything; and what we learn thus, we acquire not only more efficiently, but more pleasantly. This forms our manners, our opinions, our lives.

Imagination is the pontoon bridge making way for the timid feet of reason.

I visualize things in my mind before I have to do them. It is like having a mental workshop.

We can gradually grow into any condition we desire, provided we first make ourselves in habitual mental attitude the person who corresponds to those conditions.

The faculty of imagination is the great spring of human activity, and the principle source of human improvement. As it delights in presenting to the mind scenes and characters more perfect than those which we are acquainted with, it prevents us from ever being completely satisfied without present condition, or with our past attainments, and engages us continually in the pursuit of some untried enjoyment, or of some ideal excellence. Destroy this faculty, and the condition of man will become as stationary as that of the brutes.

Where a calculator on the ENIAC is equipped with 18,000 vacuum tubes and weighs 30 tons, computers in the future may have only 1,000 vaccuum tubes and perhaps weigh 1.5 tons.