与其不受教育，不知不生，因为无知是不幸的根源。
Well-being cannot exist just in your own head. Well-being is a combination of feeling good as well as actually having meaning, good relationships and accomplishment.
The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
A lot of people with high IQs are terrible investors because they've got terrible temperaments.