唯一存在的限制是你脑海中的限制。
The only limits that exist are the ones in your mind.
Around computers it is difficult to find the correct unit of time to measure progress. Some cathedrals took a century to complete. Can you imagine the grandeur and scope of a program that would take as long?
人性这根曲木，决然造不出任何笔直的东西。
"Art is not a mirror held up to reality but a hammer with which to shape it."
You have to trust your instincts.