The value of life lies not in the length of days, but in the use we make of them... Whether you find satisfaction in life depends not on your tale of years, but on your will. ↗
The way you remember the past depends upon your hope for the future. And if what you see in your future has no hope, it has no potential, then you view the past that brought you to here as not very good. ↗
To live in this world, you must be able to do three things: to love what is mortal; to hold it against your bones knowing your own life depends on it; and, when the time comes to let it go, to let it go. ↗
From all this it follows what the general character of the problem of the development of a body of scientific knowledge is, in so far as it depends on elements internal to science itself. ↗
What one decides to do in crisis depends on one's philosophy of life, and that philosophy cannot be changed by an incident. If one hasn't any philosophy in crises, others make the decision. ↗