No limits but the sky.

If a man knows not to which port he sails, no wind is favorable.

A winner never taught me how to quit.

If the highest aim of a captain were to preserve his ship, he would keep it in port forever.

It matters not what goal you seek It's secret here reposes; You've got to dig from week to week To get Results and Roses.

Unsuccessful people make decisions based on current situations. Successful people make decisions based on where they want to be.

How much more than is necessary do we spend in sleep, forgetting that the sleeping fox catches no poultry, and that there will be sleeping enough in the grave.

The positive thinker see the invisible, feels the intangible, and achieve the impossible.

You better live your best and act your best and think your best today, for today is the sure preparation for tomorrow and all the other tomorrows that follow.

Free will, though it makes evil possible, is also the only thing that makes possible any love or good or joy worth having.

Do not think that what is hard for you to master is humanly impossible; but if a thing is humanly possible, consider it to be within your reach.

Impossible is just an opinion.

Man can learn nothing unless he proceeds from the known to the unknown.

The day will soon come when I will show the world that the transmission of power and speech without the aid of any wires is possible.