Virtue needs a director and guide. Vice can be learned even without a teacher.

There are many things akin to highest deity that are still obscure. Some may be too subtle for our powers of comprehension, others imperceptible to us because such exalted majesty conceals itself in the holiest part of its sanctuary, forbidding access to any power save that of the spirit. How many heavenly bodies revolve unseen by human eye!

As the soil, however rich it may be, cannot be productive without cultivation, so the mind without culture can never produce good fruit

Nothing is more hateful to wisdom than to much cunning.

His head was turned by too great success.

The place one's in, though, doesn't make any contribution to peace of mind: it's the spirit that makes everything agreeable to oneself.

What you think is the summit is only a step up