The 4th of July is the first ...

The 4th of July is the first great fact in your nation\'s history — the very ring-bolt in the chain of your yet undeveloped destiny. Pride and patriotism, not less than gratitude, prompt you
 to celebrate and to hold it in perpetual remembrance. I have said that the Declaration of Independence is the ring-bolt to the chain of your nation\'s destiny; so, indeed, I regard it. The
 principles contained in that instrument are saving principles. Stand by those principles, be true to them on all occasions, in all places, against all foes, and at whatever cost.
The 4th of July is the first great fact in your nation's history — the very ring-bolt in the chain of your yet undeveloped destiny. Pride and patriotism, not less than gratitude, prompt you to celebrate and to hold it in perpetual remembrance. I have said that the Declaration of Independence is the ring-bolt to the chain of your nation's destiny; so, indeed, I regard it. The principles contained in that instrument are saving principles. Stand by those principles, be true to them on all occasions, in all places, against all foes, and at whatever cost.

Quotes from the same author

If there is no struggle, there is no progress.
I prefer to be true to myself, even at the hazard of incurring the ridicule of others, rather than to be false, and to incur my own abhorrence.
No man can put a chain about the ankle of his fellow man without at last finding the other end fastened about his own neck.
What to the Slave is the 4th of July.
A great man, tender of heart, strong of nerve, boundless patience and broadest sympathy, with no motive apart from his country.