There are things that happen and leave no discernible trace, are not spoken or written of, though it would be very wrong to say that subsequent events go on indifferently, all the same, as though such things had never been.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.