Success depends upon previous preparation, and without such preparation there is sure to be failure.

Without failure there is no sweetness in success. There's no understanding of it.

There was a man from Sung who pulled at his rice plants because he was worried about their failure to grow

Don’t grieve when people fail to recognize your ability. Grieve for your lack of ability instead.

Success isn't permanent and failure isn't fatal.

Success consists of going from failure to failure without loss of enthusiasm.