自由不是没有主人，而是选择自己的主人。
To be free is not to have no master, but to choose your own.
The oil and gas industry must evolve, or it will become obsolete.
The Internet is a powerful tool for education, but it is not a substitute for the teacher.
"The poet is the one who breaks the silence, who speaks first, who dares to speak."
最好的领导者是那些最热衷于让比自己更聪明的人围绕在身边的人。