"Nothing in the world can take the place of persistence...Persistence and determination alone are omnipotent."
- Calvin Coolidge

But human experience is usually paradoxical, that means incongruous with the phrases of current talk or even current philosophy.
- George Eliot

"Yesterday's failures are today's seeds that must be diligently planted to be able to abundantly harvest tomorrow's successes."
- Author Unknown  

 In speaking of the Energy of the field, however, I wish to be understood literally. All energy is the same as mechanical energy, whether it exists in the form of motion or in that of elasticity, or in any other form. The energy in electromagnetic phenomena is mechanical energy.
- James Clerk Maxwell