Even if you're on the right track, you'll get run over if you just sit there.

Will Rogers

Yesterday is history, tomorrow is a mystery, today is God's gift, that's why we call it the present.

Joan Rivers

Climb the mountains and get their good tidings.

John Muir

Wisdom is the supreme part of happiness.

Sophocles

The lure of the distant and the difficult is deceptive. The great opportunity is where you are.

John Burroughs

It is like the seed put in the soil - the more one sows, the greater the harvest.

Orison Swett Marden

The time to repair the roof is when the sun is shining.

John F. Kennedy

Knowledge is proud that it knows so much; wisdom is humble that it knows no more.

William Cowper

The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your mind.

Khalil Gibran

Set your course by the stars, not by the lights of every passing ship.

Omar N. Bradley

A fool flatters himself, a wise man flatters the fool.

Edward G. Bulwer-Lytton

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

Daniel J. Boorstin

If you're trying to achieve, there will be roadblocks. I've had them; everybody has had them. But obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.

Michael Jordan

It's not what you look at that matters, it's what you see.

Henry David Thoreau

A good head and a good heart are always a formidable combination.

Nelson Mandela

Beware of false knowledge; it is more dangerous than ignorance.

George Bernard Shaw

People spend too much time finding other people to blame, too much energy finding excuses for not being what they are capable of being, and not enough energy putting themselves on the line, growing out of the past, and getting on with their lives.

J. Michael Straczynski