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.
The present is always changing, but the past is fixed.
我写歌的时候，常常忘记时间。
The task of the teacher is to lead the student from the known to the unknown.
Understanding the psychology of risk can help us make better decisions in uncertain situations.
Success is the sum of small efforts, repeated day in and day out.