The best investments are those that align profitability with purpose.
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.
科学的美丽在于它能够解释无法解释的事物。
The only limit to our realization of tomorrow will be our doubts of today.