The only limits that exist are the ones you place on yourself.
我们必须承认自己的错误并从中吸取教训。
The greatest wisdom is to know that you know nothing.
我们要勇于面对挑战,敢于突破自我。
The child is not a passive recipient of knowledge but an active participant in the learning process.
儿童不是知识的被动接受者,而是学习过程的积极参与者。