Consider these quotes...

I have learnt silence from the talkative, toleration from the intolerant, and kindness from the unkind; yet strange, I am ungrateful to these teachers.
Khalil Gibran.

Neither fire nor wind, birth nor death can erase our good deeds.
Buddha.

You were born an original. Don't die a copy.
John Mason.

There is more hunger for love and appreciation in this world than for bread.
Mother Teresa.

The most effective way to achieve right relations with any living thing is to look for the best in it, and then help that best into the fullest expression.
Allen J. Bone.

Be humble for you are made of earth. Be noble for you are made of stars.
Serbian Proverb.

It is of interest to note that while some dolphins are reported to have learned English -up to fifty words used in correct context - no human being has been reported to have learned dolphinese.
Carl Sagan.

No one is useless in this world who lightens the burdens of another.
Charles Dickens.

There is not enough darkness in all the world to put out the light of even one small candle.
Robert Alden.

You pray in your distress and in your need; you might also pray in the fullness of your joy and in your days of abundance.
Khalil Gibran.

He who dares to teach must never cease to learn.
Richard Henry Dann.

The only correct actions are those that demand no explanation and no apology.
Red Auerbach.

Everybody can be great because anybody can serve. You don't have to have college degree to serve. You don't have to make your subject and verb agree to serve. You only need a heart full of grace. A soul generated by love.
Martin Luther King, Jr.

Your children are not your children. They are the sons and daughters of Life's longing for itself. They come through you but not from you, and though they are with you, yet they belong not to you.
Kahlil Gibran.

Sooner or later we all discover that the important moments in life are not the advertised ones, not the birthdays, the graduations, the weddings, not the great goals achieved. The real milestones are less prepossessing. They come to the door of memory unannounced, stray dogs that amble in, sniff around a bit and simply never leave. Our lives are measured by these.
Susan B. Anthony.

There is nothing either good or bad, but thinking makes it so.
William Shakespeare

It is never too late to be what you might have been.
George Eliot

Why, sometimes I've believed as many as six impossible things before breakfast.
Lewis Carroll

Whether you think you can or think you can't - you are right.
Henry Ford

Thought is action in rehearsal.
Sigmund Freud

It's a sign of mediocrity when you demonstrate gratitude with moderation.
Roberto Benigni

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

Throw your heart over the fence and the rest will follow.
Norman Vincent Peale

Here is a test to find whether your mission on earth is finished: If you're alive it isn't.
Richard Bach