A person of conviction does not surrender their conscience merely to win approval. They must have the courage to speak, the wisdom to listen, and the humility to admit when they are wrong.”
“Ideas that have overcome our intellect and conquered our conviction, ideas to which reason has riveted our conscience, are chains from which one cannot break without breaking one's heart.” — Karl Marx
“The ultimate measure of a person is not where they stand in moments of comfort and convenience, but where they stand in times of challenge and controversy.” — Martin Luther King Jr.
If you truly performed well while in power, you wouldn’t need to constantly criticize the incumbent just to convince people that you are the right person to be voted for.
Leadership should be judged by track record, achievements, and tangible results, not merely by criticism.