The perils of overwork are slight compared with the dangers of inactivity.

When we learn how to store electricity, we will cease being apes ourselves; until then we are tailless orangutans. You see, we should utilize natural forces and thus get all of our power. Sunshine is a form of energy, and the winds and the tides are manifestations of energy. Do we use them? Oh, no! We burn up wood and coal, as renters burn up the front fence for fuel. We live like squatters, not as if we owned the property.

It is apparent to me that the possibilities of the aeroplane, which two or three years ago were thought to hold the solution to the [flying machine] problem, have been exhausted, and that we must turn elsewhere.

Genius is 1 percent inspiration, 99 percent perspiration.

If I could solve all the problems myself, I would.

I get my ideas from listening from within.

As Danand Ian over at the Lifestyle Business Podcast say: Rush to failure.