The only limit is the one you set for yourself.
唯一的限制是你给自己设定的限制。
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.
"The truth has never been of any real value to any human being - it is a symbol for mathematicians and philosophers to pursue. In human relations kindness and lies are worth a thousand truths."
技术不仅仅是一种工具。它可以赋予学习者以前可能没有的声音。