All things excellent are as difficult as they are rare.
Baruch de SpinozaSource: Ethics, part 5, conclusion (1677)
wisdom
A selected quote by Baruch de Spinoza.
All things excellent are as difficult as they are rare.
Related
If the lion was advised by the fox, he would be cunning
The tigers of wrath are wiser than the horses of instruction
If the fool would persist in his folly he would become wise
It is a characteristic of wisdom not to do desperate things
The wrath of the lion is the wisdom of God
I think, therefore I am.