Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
It is easier for a tutor to command than to teach.
I have spent more than half a lifetime trying to express the tragic moment.
New opinions are always suspected, and usually opposed, without any other reason but because they are not already common.
As people are walking all the time, in the same spot, a path appears.
Where all is but dream, reasoning and arguments are of no use, truth and knowledge nothing.