If you can find a path with no obstacles, it probably doesn’t lead anywhere.
Author unknown
Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.
Leonardo da Vinci
Most of our obstacles would melt away if, instead of cowering before them, we should make up our minds to walk boldly through them.
Orison Swett Marden
Obstacles are those frightful things you see when you take your eyes off the goal.
Hannah More