The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.

In the fell clutch of circumstance
I have not winced nor cried aloud.
Under the bludgeonings of chance
My head is bloody, but unbowed.

Beyond this place of wrath and tears
Looms but the Horror of the shade,
And yet the menace of the years
Finds and shall find me unafraid.

It matters not how strait the gate,
How charged with punishments the scroll,
I am the master of my fate:
I am the captain of my soul.

- William Ernest Henley (1849-1903)

I only included part of the poem here, the full poem is a must read.

What can they do  to you? 
Whatever they want.

...

Alone, you can fight, you can refuse, you can
take what revenge you can
but they roll over you.

But two people fighting
back to back can cut through
a mob, a snake-dancing file
can break a cordon, an army
can meet an army.

Two people can keep each other
sane, can give support, conviction,
love, massage, hope, sex.

Three people are a delegation,
a committee, a wedge. With four
you can play bridge and start
an organisation.

...

It goes on one at a time,
it starts when you care
to act, it starts when you do
it again after they said no,
it starts when you say We
and know who you mean, and each
day you mean one more.

–Marge Piercy
Copyright 2006, Middlemarsh, Inc.

via margepiercy.com