Here is a collection of quotes on peace:

“We can never obtain peace in the outer world until we make peace with ourselves”.
– Dalai Lama

“To enjoy good health, to bring true happiness to one’s family, to bring peace to all, one must first discipline and control one’s own mind. If a man can control his mind he can find the way to Enlightenment, and all wisdom and virtue will naturally come to him”.
– Buddha

“Peace cannot be kept by force; it can only be achieved by understanding”.
– Albert Einstein

“I refuse to accept the view that mankind is so tragically bound to the starless midnight of racism and war that the bright daybreak of peace and brotherhood can never become a reality… I believe that unarmed truth and unconditional love will have the final word”.
– Martin Luther King, Jr.

“Peace is not absence of conflict, it is the ability to handle conflict by peaceful means”
-. Ronald Reagan

“An eye for an eye only ends up making the whole world blind”
– Mahatma Gandhi

“Happiness, true happiness, is an inner quality. It is a state of mind. If your mind is at peace, you are happy. If your mind is at peace, but you have nothing else, you can be happy. If you have everything the world can give – pleasure, possessions, power – but lack peace of mind, you can never be happy”.
– Dada Vaswani

“When the power of love overcomes the love of power the world will know peace”.
– Jimi Hendrix

“Never be in a hurry; do everything quietly and in a calm spirit. Do not lose your inner peace for anything whatsoever, even if your whole world seems upset”.
– Saint Francis de Sales

“If we have no peace, it is because we have forgotten that we belong to each other”.
– Mother Teresa

“Peace comes from within. Do not seek it without”.
– Buddha

“Mankind must remember that peace is not God’s gift to his creatures; peace is our gift to each other”.
– Elie Wiesel

“It isn’t enough to talk about peace. One must believe in it. And it isn’t enough to believe in it. One must work at it”.
– Eleanor Roosevelt

“While you are proclaiming peace with your lips, be careful to have it even more fully in your heart”.
– Francis of Assisi

“Those who are at war with others are not at peace with themselves”.
– William Hazlitt

“Each one has to find his peace from within. And peace to be real must be unaffected by outside circumstances”.
– Mahatma Gandhi

“Do not overrate what you have received, nor envy others. He who envies others does not obtain peace of mind”.
– Buddha

“Nobody can bring you peace but yourself”.
– Ralph Waldo Emerson

“Peace and friendship with all mankind is our wisest policy, and I wish we may be permitted to pursue it”.
– Thomas Jefferson

“Let us more and more insist on raising funds of love, of kindness, of understanding, of peace. Money will come if we seek first the Kingdom of God – the rest will be given”.
– Mother Teresa

“Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice”.
– Baruch Spinoza

“Those who are free of resentful thoughts surely find peace”.
– Buddha

“There was a time in my life when I thought I had everything – millions of dollars, mansions, cars, nice clothes, beautiful women, and every other materialistic thing you can imagine. Now I struggle for peace”.
– Richard Pryor

“The simplification of life is one of the steps to inner peace. A persistent simplification will create an inner and outer well-being that places harmony in one’s life”.
– Peace Pilgrim

“Peace is a daily, a weekly, a monthly process, gradually changing opinions, slowly eroding old barriers, quietly building new structures”.
– John F. Kennedy

“First keep peace with yourself, then you can also bring peace to others”.
– Thomas a Kempis