You can't use up creativity. The more you use, the more you have.

The best moments in our lives are not the passive, receptive, relaxing times... The best moments usually occur if a person's body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.

Education is the bridge between traditional practices and modern sustainability.

素描就是诚实。没有作弊的可能。画得好就是好，不好就是不好。