儿童不是知识的被动接受者，而是学习过程的积极参与者。
The child is not a passive recipient of knowledge but an active participant in the learning process.
The richness I achieve comes from Nature, the source of my inspiration.
在理论物理学的领域里，每一个发现都会带来新的问题和挑战。
It is not from the benevolence of the butcher， the brewer， or the baker that we expect our dinner， but from their regard to their own interest.
The deeper the silence, the louder the voice within.
The world needs pragmatic solutions, not just idealistic visions.