I am your constant companion, I am your greatest helper or heaviest burden.

I will push you onward or drag you down to failure, I am completely at your command.

Half the things you do, you might just as well turn over to me, I will do them quickly and correctly.

I am easily managed you must merely be firm with me.

Show me exactly how you want something done and after a few lessons, I will do it automatically.

I am the servant of all great people; and alas, of all failures as well.

Those who are great, I have made great, those who are failures, I have made failures.

I am not a machine, though I work with all the precision of a machine plus the intelligence of a human.

You may run me for a profit or run me for ruin, it makes no difference to me.

Take me, train me, be firm with me and I will place the world at your feet, be easy with me and I WILL DESTROY YOU!