“Where the willingness is great, the difficulties cannot be great.”
“Effort is the unconstrained willingness to persevere through difficulty.”
“Great difficulties may be surmounted by patience and perseverance.”
“All great and honorable actions are accompanied with great difficulties, and both must be enterprised and overcome with answerable courage.”
“You cannot be a great writer in a shop where words are sold in tens and twenties.”
“Difficulty is a series of great opportunities brilliantly disguised as insoluble problems.”