我们必须平衡当今的能源需求与保护地球未来的必要性。

杰出的领导者会不遗余力地提升员工的自尊。如果人们相信自己，他们能取得的成就是惊人的。

美是真理的影子。

"A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. So the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion."

The theory of probabilities is the only mathematical tool available to help map the unknown and the uncontrollable.