人生能有一个知己就足够了，这一生应当把他当作同胞兄弟一样看待

"Every discovery is a piece of the puzzle that is our universe."

The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.

The past is not dead, it is not even past.

民主的力量在于合作与参与的精神。