The ladder of success is best climbed by stepping on the rungs of opportunity.

"I can resist everything except temptation."

道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。

True happiness comes from within, not from external achievements or possessions.

Failure after long perseverance is much grander than never to have a striving good enough to be called a failure.

石油化工行业的未来在于可持续发展。