If riding in an airplane is flying, then riding in a boat is swimming. If you want to experience the element, then get out of the vehicle. – Author Unknown
Pour some water into a tub and stir it up. Now try as hard as you can to calm the water with your hands; you will succeed in agitating it further. Let it stand undisturbed a while, and it will calm down by itself. The human brain works much the same way. – Koichi Tohei, Ki in Daily Life