A life lived without forgiveness is a prison.

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

A warm smile is the universal language of kindness.

Do more than belong: participate. Do more than care: help. Do more than believe: practice. Do more than be fair: be kind. Do more than forgive: forget. Do more than dream: work.

Opportunities are like sunrises. If you wait too long, you miss them.

The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires.

Study while others are sleeping; work while others are loafing; prepare while others are playing; and dream while others are wishing.

When we seek to discover the best in others, we somehow bring out the best in ourselves.

Gratitude can transform common days into thanksgivings, turn routine jobs into joy, and change ordinary opportunities into blessings.” —

Three enemies of personal peace: regret over yesterday’s mistakes, anxiety over tomorrow’s problems, and ingratitude for today’s blessings.

Flatter me, and I may not believe you. Criticize me, and I may not like you. Ignore me, and I may not forgive you. Encourage me, and I will not forget you. Love me and I may be forced to love you.

We can learn much from others and use that information to improve our world.

Without trust, no company can ever hope for excellence.

I believe there's not a harder job in the world than being a teacher, and there isn't a job with a more direct impact on the performance of our students.

There is a wisdom of the head, and a wisdom of the heart.

To be conscious that we are perceiving or thinking is to be conscious of our own existence.

He learned to communicate with birds and discovered their conversation was fantastically boring. It was all to do with windspeed, wingspans, power-to-weight ratios and a fair bit about berries.

God knows, there's enough to worry about without worrying about worrying about things.

Painting is like making love. You cannot ask, 'How do you do it?' But, hopefully, it is beautiful.

You can make a good living from soothsaying but not from truthsaying.

It often happens that the quotations constitute the most valuable part of a book.