The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
The true measure of our success will be what we leave for future generations.
我们在这里是为了在宇宙中留下痕迹。不然我们为什么在这里?
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The work of the philosopher consists in assembling reminders for a particular purpose.