Act in such a way that you treat humanity, whether in your own person or in the person of any other, never merely as a means to an end, but always at the same time as an end.

Immanuel Kant

In a gentle way, you can shake the world.

Mahatma Gandhi

A grateful mind is a great mind which eventually attracts to itself great things.

Plato

The human condition is a good one in that no one is unhappy except by his own fault.

Seneca

Every man must decide whether he will walk in the light of creative altruism or in the darkness of destructive selfishness.

Martin Luther King Jr.

Without humility there can be no humanity.

John Buchan