The key to innovation is not just hard work, but the courage to challenge existing theories.
创新的关键不仅在于努力工作,更在于挑战现有理论的勇气。
Seeing, hearing, and remembering are all acts of construction.
教育必须基于儿童的心理发展,而不是教育者的任意意志。
Millions saw the apple fall, but Newton asked why.