实现明天的唯一限制是我们今天的疑虑。
Life is a series of choices, and the hardest ones are the ones that matter.
The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.
——〈在广州大本营国民党员的演说〉,1923年11月25日