Make mistakes of ambition and not mistakes of sloth. Develop the strength to do bold things, not to suffer.
A nation will not be moved by timid methods.
No great deed, private or public, has ever been undertaken in a bliss of certainty.
Go for broke. Always try and do too much. Dispense with safety nets. Take a deep breath before you begin.
A well-worn adage advises those who set out upon a great enterprise to count the cost, yet some of the greatest enterprises have succeeded because the people who undertook them did not count the cost.