The best preparation for tomorrow is doing your best today.
实现明天的唯一限制是我们今天的疑虑。
The real contest is always between what you've done and what you're capable of doing. You measure yourself against yourself and nobody else.
要冒经过计算的风险,这与鲁莽完全不同。
You have to be ready to suffer if you want to be successful.