"The joy of discovery is certainly the liveliest that the mind of man can ever feel."
发现的喜悦无疑是人类心灵所能感受到的最活跃的。
When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.
Every thought serves a purpose, even when we don't immediately perceive it.
The key to successful investing is to have a diversified portfolio.
自由民主的力量在于其自我纠正和改革的能力。