Alone we can do so little; together we can do so much.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.

Sincerity and truth are the basis of every virtue.

If you spend too much time thinking about a thing, you'll never get it done.

If we go down into ourselves, we find that we possess exactly what we desire.

It always seems impossible until it's done.

To succeed in your mission, you must have single-minded devotion to your goal.

The fishermen know that the sea is dangerous and the storm terrible, but they have never found these dangers sufficient reason for remaining ashore.

One must maintain a little bittle of summer, even in the middle of winter.

I love those who can smile in trouble...

Everything I've ever done was out of fear of being mediocre.

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

The limits of the possible can only be defined by going beyond them into the impossible.

A liar will not be believed even when he speaks the truth.

In a conflict between the heart and the brain, follow your heart.

Never trust the advice of a man in difficulties.

Change your thoughts and you change your world.

After all is said and done, more is said than done.

I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.

You lose nothing when fighting for a cause ... In my mind the losers are those who don't have a cause they care about.

You can chain me, you can torture me, you can even destroy this body, but you will never imprison my mind.