Only something as insane as human beings would ever asked themselves if 'I'm good.' You don't find oak trees having existential crisis. 'I feel so rotten about myself. I don't produce as much acorns as the one next to me.'
How often does a man ruin his disciples by remaining always with them! When men are once trained, it is essential that their leader leave them, for without his absence they cannot develop themselves. Plants always remain small under a big tree.
Many critics are like woodpeckers, who, instead of enjoying the fruit and shadow of a tree, hop incessantly around the trunk, pecking holes in the bark to discover some little worm or other.