Each life is unique, but there are common lessons in all of our lives. The problem is we often don't learn them till the end of our lives. One way to circumvent this problem is to see what other notable figures in history have tried to tell us.

Some people are always grumbing because roses have thorns; I am thankful that thorns have roses. - Alphonse Karr

In the End, we will remember not the words of our enemies, but the silence of our friends. - Martin Luther King

Happiness is when what you think, what you say, and what you do are in harmony. - Mahatma Gandhi

Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power. - Lao Tzu

Always listen to the experts. They'll tell you what can't be done and why. Then do it. - Robert Heinlein

Nothing is particularly hard if you divide it into small jobs. - Henry Ford

We must become the change we want to see. - Mahatma Gandhi

You are successful the moment you start moving toward a worthwhile goal. - Chuck Carlson

Know the price of success: dedication, hard work, and an unremitting devotion to the things you want to see happen. - Frank Lloyd Wright

I never came upon any of my discoveries through the process of rational thinking. - Albert Einstein

There's no scarcity of opportunity to make a living at what you love. There is only a scarcity of resolve to make it happen. - Wayne Dyer

If you hear a voice within you say, 'you cannot paint,' then by all means paint and that voice will be silenced. - Vincent Van Gogh

My dad always used to say, If you're falling off a cliff, you may as well try to fly. You have nothing to lose. - Captain John Sheridan

What one has, one ought to use: and whatever he does he should do with all his might. - Marcus T. Cicero

Courage is doing what you're afraid to do. There can be no courage unless you're scared. - Eddie Rickenbacker