Talent is cheaper than table salt. What separates the talented individual from the successful one is a lot of hard work.
The desires， and other passions of man， in themselves， are in his own power； his real difficulties are， to know when they are to be controlled， and when not.
在科学推断中，我们应该尽可能追求客观的方法。
True leadership means helping others to be better than they thought they could be.