Daisaku Ikeda said this quote

Even if things don't unfold the way you expected, don't be disheartened or give up. One who continues to advance will win in the end.

~ Daisaku Ikeda

it is impossible to build one's own happiness on the unhappiness of others. This perspective is at the heart of Buddhist teachings.

~ Daisaku Ikeda

Life is painful. It has thorns, like the stem of a rose. Culture and art are the roses that bloom on the stem. The flower is yourself, your humanity. Art is the liberation of the humanity inside yourself.

~ Daisaku Ikeda

A great human revolution in just a single individual will help achieve a change in the destiny of a nation and, further, can even enable a change in the destiny of all humankind.

~ Daisaku Ikeda