It is not that we have a short time to live, but that we waste a lot of it. Life is long enough, and a sufficiently generous amount has been given to us for the highest achievements if it were all well invested.
The first person to spot the arduousness, and to pioneer focused thinking, was the ancient Greek philosopher Socrates (c. 470–399 BCE). He became famous in Athens for standing around the marketplace asking what seemed like simple questions.
The technologies we use to try to ‘get on top of everything’ always fail us, in the end, because they increase the size of the ‘everything’ of which we’re trying to get on top.
We will gradually become indifferent to what goes on in the minds of other people when we acquire a knowledge of the superficial nature of their thoughts, the narrowness of their views and of the number of their errors.