Literature is the memory of humanity, and without memory, there is no identity.
Certification is the grammar of responsible forestry.
成功不在于名聲或金錢；而在于做你熱愛的事情并與他人分享。
最好的數(shù)學不僅正確，而且具有啟發(fā)性。
成功不在于你賺了多少錢，而在于你對人們生活的影響。