There is a certain wisdom of humanity which is common to the greatest men with the lowest, and which our ordinary education oftenlabors to silence and obstruct.
Then, without realizing it, you try to improve yourself at the start of each new day; of course, you achieve quite a lot in the course of time. Anyone can do this, it costs nothing and is certainly very helpful. Whoever doesn't know it must learn and find by experience that a quiet conscience makes one strong.
It is not enough to prove something, one also has to seduce or elevate people to it. That is why the man of knowledge should learns how to speak his wisdom: and often in such a way that it sounds like folly!