如果你不知道，意见有什么用？

Each success only buys an admission ticket to a more difficult problem.

Science is not only a discipline of reason but also one of romance and passion.

By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.

"Always be learning. The world is constantly changing, and you need to keep up."

The process of political decay is as natural as political development.

Writing is a way of living life more intensely, of giving it more meaning.