Learning is not a matter of trial and error, but of insight.
学习不是试错的问题,而是洞察力的问题。
"What you don't know can't hurt you, but it can kill you."
确保和平的最佳方式是维持大国之间的权力平衡。
The writer must be a voice for those who have been silenced.
市场在短期内是投票机,在长期内是称重机。