The only real failure in life is not to be true to the best one knows.
Buddha

For Africa to me... is more than a glamorous fact. It is a historical truth. No man can know where he is going unless he knows exactly where he has been and exactly how he arrived at his present place.
Maya Angelou

He who knows best knows how little he knows.
Thomas Jefferson

He who knows nothing is closer to the truth than he whose mind is filled with falsehoods and errors.
Thomas Jefferson

Without deep reflection one knows from daily life that one exists for other people.
Albert Einstein

The world has the habit of making room for the man whose actions show that he knows where he is going.
Napoleon Hill

The battle is all over except the "shouting" when one knows what is wanted and has made up his mind to get it, whatever the price may be.
Napoleon Hill

The main reason Santa is so jolly is because he knows where all the bad girls live.
George Carlin

Only a man who knows what it is like to be defeated can reach down to the bottom of his soul and come up with the extra ounce of power it takes to win when the match is even.
Muhammad Ali

No one knows what to say in the loser's locker room.
Muhammad Ali

Self-respect knows no considerations.
Mohandas Gandhi

A fool thinks himself to be wise, but a wise man knows himself to be a fool.
William Shakespeare

It is a wise father that knows his own child.
William Shakespeare

And ever has it been known that love knows not its own depth until the hour of separation.
Kahlil Gibran

Ever has it been that love knows not its own depth until the hour of separation.
Kahlil Gibran

He that would live in peace and at ease must not speak all he knows or all he sees.
Benjamin Franklin

The man who is a pessimist before 48 knows too much; if he is an optimist after it, he knows too little.
Mark Twain

The wit knows that his place is at the tail of a procession.
Mark Twain

I would believe only in a God that knows how to Dance.
Friedrich Nietzsche

I assess the power of a will by how much resistance, pain, torture it endures and knows how to turn to its advantage.
Friedrich Nietzsche