A person with a dream is like a ship with a direction, otherwise you will lose yourself.
People have dreams, and ships have directions, otherwise they may get lost.
Conditional sentences have similar meanings.
In addition, I send you a few famous words:
Ideal is the beacon. Without ideal, there is no secure direction; without direction, there is no life.
Ideal is the guiding light. Without ideals, there is no firm direction; No direction, no life. (Tolstoy, Russian writer) )
Some ideals have led us the way, and have given me new courage to face life cheerfully. Those ideals are truth, goodness and beauty.
Some ideals have shown us the way and given me new courage to face life happily. These ideals are truth, goodness and beauty. (Albert Einstein, American scientist)
Living without an aim is like sailing without a compass.
Living without an aim is like sailing without a compass. (Dumas, French writer)