Criticism may not be agreeable, but it is necessary. It fulfils the same function as pain in the human body. It calls attention to an unhealthy state of things.

Winston Churchill

Success consists of going from failure to failure without loss of enthusiasm. - Winston Churchill

Rejoice not against me, O mine enemy: when I fall, I shall arise;

Micah 7,8a

"When you disarm the people, you commence to offend them and show that you distrust them either through
[their] cowardice or lack of confidence, and both of these opinions generate hatred." -Niccolo Machiavelli