For me personally it is because I get an awful amount of success and I don't think I deserve it and then I want to sabotage it.

"Eating crow" is an old expression defined by the Urban Dictionary to mean "When you make a mistake and are forced to acknowledge it humbly".

"For example" is not proof.

"Force me, and I shall commit no sin," said the girl.

"Geometry has two great treasures; one is the Theorem of Pythagoras; the other, the division of a line into extreme and mean ratio. The first we may compare to a measure of gold; the second we may name a precious jewel."

"Great cry and little wool," said the fool, when he sheared a pig.