The silence between them was heavy, filled with unspoken words and unresolved emotions.
他们之间的沉默很沉重，充满了未说出口的话和未解决的情感。
The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.
The only fence against the world is a thorough knowledge of it.
预测未来的最好方法就是去创造它。
解释：国家每做一件事必然是有毁谤也有赞美，忠臣把毁谤都加在自己身上，而把赞美都归于君主。
"Every observation we make is a step closer to understanding the cosmos."