The first requisite for success is the ability to apply your physical and mental energies to one problem incessantly without growing weary.

The fire that warms us can also consume us; it is not the fault of the fire.

I will never be content with a sedentary life.

Rainbows apologize for angry skies.

There's a way to do it better – find it.

Set intentions before you take action.

Do not expect the world to look bright, if you habitually wear gray-brown glasses.