There are hundreds & hundreds of quotes, but I believe these ones are simpler to follow and thus lead you to a high performance persona.

1. Don'tDon't
comparecompare
yourselfyourself
with anywith any
one in thisone in this
world.world.
If youIf you
compare, youcompare, you
are insultingare insulting

2. No one willNo one will
manufacture amanufacture a
lock without a key.lock without a key.
Similarly God won'tSimilarly God won't
give problems withoutgive problems without
solutions.solutions.

3. Life laughs atLife laughs at
you when youyou when you
are unhappy...are unhappy...
Life smiles at youLife smiles at you
whenwhen
you are happy...you are happy...
Life salutes you whenLife salutes you when

4. Every successful person has aEvery successful person has a
painful story.painful story.
Every painful story has aEvery painful story has a
successful ending.successful ending.
Accept the pain and getAccept the pain and get
ready for success.ready for success.

5. Easy is to judge the mistakes of others.Easy is to judge the mistakes of others.
Difficult is to recognize our own mistakes.Difficult is to recognize our own mistakes.
It is easier to protect your feet with slippersIt is easier to protect your feet with slippers
than to cover the earth with carpet.than to cover the earth with carpet.

6. No one can go back andNo one can go back and
change a bad beginning;change a bad beginning;
But anyone can start now andBut anyone can start now and
create a successful ending.create a successful ending.

7. If a problem can beIf a problem can be
solved, no need tosolved, no need to
worry about it.worry about it.
If a problem cannot beIf a problem cannot be
solved what is the use ofsolved what is the use of
worrying?worrying?

8. If you miss anIf you miss an
opportunityopportunity
don't fill thedon't fill the
eyes witheyes with
tears.tears.
It will hideIt will hide
another betteranother better
opportunity inopportunity in
front of youfront of you

9. "Changing the Face" can change nothing."Changing the Face" can change nothing.
But "Facing the Change" can change everything.But "Facing the Change" can change everything.
Don't complain about others;Don't complain about others;
Change yourself if you want peace.Change yourself if you want peace.

10. Mistakes are painful when theyMistakes are painful when they
happen.happen.
But year's later collection ofBut year's later collection of
mistakes is calledmistakes is called
experience, which leads toexperience, which leads to
success.success.

11. Be bold when you looseBe bold when you loose
and be calm when you win.and be calm when you win.
Heated gold becomes ornament.Heated gold becomes ornament.
Beaten copper becomes wires.Beaten copper becomes wires.
DepletedDepleted
stone becomes statue. So thestone becomes statue. So the
more pain you get in life youmore pain you get in life you
become more valuable.become more valuable.