Believe in yourself! Have faith in your abilities! Without a humble but reasonable confidence in your own powers you cannot be successful or happy.

It's always too early to quit.

The life of inner peace, being harmonious and without stress, is the easiest type of existence.

When every physical and mental resources is focused, one's power to solve a problem multiplies tremendously.

It is of practical value to learn to like yourself. Since you must spend so much time with yourself you might as well get some satisfaction out of the relationship.