The wise man should withdraw ...

The wise man should withdraw his soul within, out of the crowd, and keep it in freedom and power to judge things freely; but as for externals, he should wholly follow the accepted fashions and forms.
The wise man should withdraw his soul within, out of the crowd, and keep it in freedom and power to judge things freely; but as for externals, he should wholly follow the accepted fashions and forms.

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

I care not so much what I am to others as what I am to myself. I will be rich by myself, and not by borrowing.
If there is such a thing as a good marriage, it is because it resembles friendship rather than love.
The most certain sign of wisdom is cheerfulness.
The most unhappy and frail creatures are men and yet they are the proudest.
It is much more easy to accuse the one sex than to excuse the other.