In traditional shock cases, this is generally the relieving of pain from injuries or the stopping of blood loss. In an acute stress reaction, this may be pulling a rescuer away from the emergency to calm down, or blocking the sight of an injured friend from a patient.
With this system, Pericles succeeded in keeping the courts full of jurors (Ath. Pol. 27.3), and in giving the people experience in public life. As Athens' ruler, he made the city the first and most important polis of the Greek world, acquiring a resplendent culture and democratic institutions.
The best form of government of the polis for Plato is the one that leads to the common good. The philosopher king is the best ruler because, as a philosopher, he is acquainted with the Form of the Good. In Plato's analogy of the ship of state, the philosopher king steers the polis, as if it were a ship, in the best direction.