If you have done good, set your mind upon it so that it may be repeated over and over again. Allow yourself to be pleased by good. Accumulating good is joyful.
The greatest investment a young person can make is in their own education, in their own mind. Because money comes and goes. Relationships come and go. But what you learn once stays with you forever.
The opinion prevailed among advanced minds that it was time that belief should be replaced increasingly by knowledge; belief that did not itself rest on knowledge was superstition, and as such had to be opposed.