You know every road mark speed breaker for any vehicle control speed in public place like that school, hospital or any populated area.
It is symbol of safety for driver and footpath traveler. That shows our life strategy. If we wanted to grow very fast we face speed breaker in our pathway that indicate life is not a vehicle life is a mision of success.
We selected the path and go with very fast wait and watch some path is good for us or bad, think situation and go proceed your goal.