One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

Ideals are thoughts. So long as they exist merely as thoughts, the power in them remains ineffective.

Constant Kindness can accomplish much.

Ethical existence [is] the highest manifestation of spirituality.

We are united with all life that is in nature. Man can no longer live his life for himself alone.

Open your eyes and look for some man, or some work for the sake of men, which needs a little time, a little friendship, a little sympathy, a little sociability, a little human toil....It is needed in every nook and corner. Therefore search and see if there is not some place where you may invest your humanity.

You know of the disease in Central Africa called sleeping sickness. . . . There also exists a sleeping sickness of the soul. Its most dangerous aspect is that one is unaware of its coming. That is why you have to be careful. As soon as you notice the slightest sign of indifference, the moment you become aware of the loss of a certain seriousness, of longing, of enthusiasm and zest, take it as a warning. You should realize your soul suffers if you live superficially.