Success is not final, failure is not fatal: It is the courage to continue that counts.
It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.
For want of a nail the shoe was lost, for want of a shoe the horse was lost, for want of a horse the rider was lost.
Give me six hours to chop down a tree, and I will spend the first four sharpening the axe.
The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.