7
We in reality only know when we doubt a little. With knowledge comes doubt.
Goethe.
8
In the hour of adversity be not without hope, for crystal rain falls from black clouds.
Nizāmī.
9
One common origin unites us all, but every sort of wood does not give the perfume of the lignum aloes.
Arabic.
10
I asked an experienced elder who had profited by his knowledge of the world, “What course should I pursue to obtain prosperity?” He replied, “Contentment—if you are able, practise contentment.”
Selman.