“That which is painful sharpens one's love.”
“Nothing so sharpens the thought process as writing down one's arguments. Weaknesses overlooked in oral discussion become painfully obvious on the written page.”
“Absence sharpens love, presence strengthens it.”
“One's own troubles sharpen one's eyes sometimes.”
“Our love is sharpened by the stone of our challenges and strengthened by the struggles of our growth.”
“Fear is a force that sharpens your senses. Being afraid is a state of paralysis in which you can't do anything.”