有时候旅程中最难的部分是相信你值得这次旅行。
Sometimes the hardest part of the journey is believing you're worthy of the trip.
If you want to change the world, start by changing the way you think.
计算机科学的美妙之处在于它允许我们在世界中创造世界,唯一的限制是我们的想象力。