One of the important points made in the UNESCO constitution is as follows:
Since war began in the minds of men it is in the mind that the defence of peace must be constructed.
This is an indisputable fact. Whether the quarrel is between two people on the street, or between groups or nations, the origin of all such incidents lies in the mind. It is in the mind that feelings of hatred, revenge and anger are produced, and when these spill over into provocation, the result is some measure of conflict, ranging from petty squabbling to full-scale war.
Largely speaking, negative thoughts arise in reaction to untoward behaviour on the part of others. Someone insults us and we become angry. An unpleasant situation is created by someone, and we are provoked by this. Someone damages our prestige and we therefore seek revenge. All these vengeful impulses take shape first of all in our minds and when they are externalized, they wreak havoc. If peace could be established at the level of the mind, before there is any physical escalation of strife, the world would be a much better place to live in.
The only effective way to prevent quarrels, whether at the individual or at the national or international level, is to train people’s minds: patience should be emphasized as the greatest of all virtues.
Such a mentality can be developed only if negative thinking is replaced by positive thinking. This should be directed at resistance to provocation and the avoidance of all unpleasantness and consequent entanglements. It must provide the basis for cool and unemotional decision-making, and, above all, for return of love for hatred.
Such a reform of the mind would lead to the most positive reconstruction of human affairs ever witnessed in human history.