婚姻生活是否幸福，完全是个机会问题。
这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。
The best innovations often come from challenging the status quo.
引用计算机科学家Alan Kay的观点
夜晚是个骗子，但黎明说出真相。
Energy security is a crucial guarantee for national development. We must intensify technological innovation to enhance the efficiency of oil and gas exploration and production.