Enthusiasm is the mother of effort, and without it nothing great was ever achieved.
There is no pain so great as the memory of joy in present grief.
GREAT, MEMORY OF JOY IN PRESENT GRIEF
My success was not based so much on any great intelligence but on great common sense.
GREAT, BASED ON GREAT COMMON SENSE
A great part of courage is the courage of having done the thing before.
GREAT, COURAGE OF HAVING DONE THE THINGS BEFORE
Every great work, every big accomplishment, has been brought into manifestation through holding to the vision, and often just before the big achievement, comes apparent failure and discouragement.