数学是逻辑思想的诗歌。
Mathematics is the poetry of logical ideas.
Science should serve humanity, not the other way around.
Prayer is not overcoming God's reluctance, but laying hold of His willingness.
Every human being is a creator.
一切能被说出的都能够清楚地被说出,而我们不能谈论的,必须保持沉默。