The loss of money is the least of all losses, but the loss of confidence is the greatest of all.
金钱的损失是所有损失中最小的,但信心的损失是最大的。
检验假设有效性的唯一相关标准是其预测与经验的比较。
书籍是最安静、最恒久的朋友;它们是最易接近、最睿智的顾问,也是最耐心的老师。
质量不是奢侈品;它是必需品。
The world only exists in your eyes. You can make it as big or as small as you want.