Solitude, the safeguard of ...

Solitude, the safeguard of mediocrity, is to genius the stern friend
Solitude, the safeguard of mediocrity, is to genius the stern friend

Quotes from the same author

Thought is the blossom; language the bud; action the fruit behind it.
The invariable mark of wisdom is to see the miraculous in the common.
Our distrust is very expensive.
Wisdom has its root in goodness, not goodness its root in wisdom.
Do not follow where the path may lead. Go, instead, where there is no path and leave a trail.