The journey of discovery is as important as the destination itself.

If you have any doubt at all about being able to carry a load in one trip， do yourself a huge favor and make two trips.

出自汉·桓宽《盐铁论·击之》。释义：做事中途停止就不会成功，种地偷懒的人不会有收获。比喻学习应持之以恒，不能懈怠。