Twenty years from now you will be more disappointed by the things that you
didn't do than by the ones you did do. So throw off the bowlines. Sail away
from the safe harbour. Catch the trade winds in your sails. Explore. Dream.
Discover. - Mark Twain

It is hard to fail, but it is worse never to have tried to succeed. - Theodore Roosevelt

People often say that motivation doesn't last. Well, neither does bathing -
that's why we recommend it daily. - Zig Ziglar

Desire is the starting point of all achievement, not a hope, not a wish, but a
keen pulsating desire, which transcends everything. - Napoleon Hill

People become really quite remarkable when they start thinking that they
can do things. When they believe in themselves they have the first secret of
success. - Norman Vincent Peale

Men are born to succeed, not fail. - Henry David Thoreau

What we can or cannot do, what we consider possible or impossible, is
rarely a function of our true capability. It is more likely a function of our
beliefs about who we are. - Anthony Robbins

There is just one life for each of us:  our own. - Euripides

If you believe in what you are doing, then let nothing hold you up in your
work. Much of the best work of the world has been done against seeming
impossibilities. - Dale Carnegie

There is no such thing in anyone's life as an unimportant day. - Alexander Woollcott

All successful people men and women are big dreamers. They imagine what
their future could be, ideal in every respect, and then they work every day
toward their distant vision, that goal or purpose. - Brian Tracy

The fear of death follows from the fear of life.  A man who lives fully is
prepared to die at any time. - Mark Twain

There are no accidents... there is only some purpose that we haven't yet
understood. - Deepak Chopra

They can because they think they can. - Virgil 

There are those who dream and wish and there are those who dream and
work. - Jeune.E. McIntyre

No man is a failure who is enjoying life. William Feather

Be miserable. Or motivate yourself. Whatever has to be done, it's always
your choice. - Wayne Dyer

If you deliberately plan on being less than you are capable of being, then I warn you that you'll be unhappy for the rest of your life. - Abraham H. Maslow

Remember, happiness doesn't depend upon who you are or what you have, it depends solely upon what you think. - Dale Carnegie