Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

To See a World in a Grain of Sand And a Heaven in a Wild Flower, Hold Infinity in the palm of your hand And Eternity in an hour.

Aim for the highest.

My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.

A man may die, nations may rise and fall, but an idea lives on.

When you're at the end of your rope, tie a knot and hold on

Great work requires great and persistent effort for a long time. … Character has to be established through a thousand stumbles.

We should not give up and we should not allow the problem to defeat us.

Keep your eyes on the stars, and your feet on the ground.

Weakness of attitude becomes weakness of character.

Whenever a negative thought concerning your personal power comes to mind, deliberately voice a positive thought to cancel it out.

Learn from yesterday, live for today, hope for tomorrow.

Change your thoughts and you change your world.

The greatest thing in the world is to know how to belong to oneself.

Sincerity and truth are the basis of every virtue.

He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.

Argue not concerning God,re-examine all that you have been told at church or school or in any book, dismiss whatever insults your soul

United we stand; divided we fall.

Stand up to your obstacles and do something about them. You will find that they haven't half the strength you think they have.

Strength of mind rests in sobriety; for this keeps your reason unclouded by passion.

Self-confidence is the first requisite to great undertakings.