If you can't fly then run, if ...

If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do, you have to keep moving forward.
 Martin Luther King Jr.

More phrases

A rule of thumb for a warrior is that he makes his decisions so carefully that nothing that may happen as a result of them can surprise him, much less drain his power.
The fixed determination to have acquired the warrior soul, to either conquer or perish with honor, is the secret of victory.
 George S. Patton
THE PATH OF PEACE is exceedingly vast, reflecting the grand design of the hidden and manifest worlds. A warrior is a living shrine of the divine, one who serves that grand purpose.
 Morihei Ueshiba
The warrior knows that he is free to choose his desires, and he makes these decisions with courage, detachment, and - sometimes - with just a touch of madness.
We are all warriors. Each of us struggles every day to define and defend our sense of purpose and integrity, to justify our existence on the planet and to understand, if only within our own hearts, who we are and what we believe in.
 Steven Pressfield

Quotes from the same author

That old law about 'an eye for an eye' leaves everybody blind. The time is always right to do the right thing.
 Martin Luther King Jr.
Love is the only force capable of transforming an enemy into a friend.
 Martin Luther King Jr.
Life's most persistent and urgent question is, 'What are you doing for others?'
 Martin Luther King Jr.
Science investigates; religion interprets. Science gives man knowledge which is power; religion gives man wisdom which is control.
 Martin Luther King Jr.
In the end, we will remember not the words of our enemies, but the silence of our friends.
 Martin Luther King Jr.