As selfishness and complaint pervert the mind so love with its joy clears and sharpens the vision.
As iron sharpens iron so a friend sharpens a friend.
You're not human if you don't feel fear. But I've learnt to treat fear as an emotion that sharpens me. It's there to give me that edge for what I have to do.
Meditation is all about the pursuit of nothingness. It's like the ultimate rest. It's better than the best sleep you've ever had. It's a quieting of the mind. It sharpens everything especially your appreciation of your surroundings. It keeps life fresh.
The flame of anger bright and brief sharpens the barb of love.