One truth stands firm. All that happens in world history rests on something spiritual. If the spiritual is strong, it creates world history. If it is weak, it suffers world history.

The most difficult thing I have ever had to do is follow the guidance I prayed for.

I do not know what your destiny may be, but I do know this, that not one of you will find the happiness that each of you is seeking until you have first sought and found a way in which to unselfishly serve others.

The three most important ways to lead people are:... by example... by example... by example.

All people are endowed with the faculty of compassion, and for this reason can develop the humanitarian spirit.

The friend of nature is the man who feels himself inwardly united with everything that lives in nature, who shares in the fate of all creatures, helps them when he can in their pain and need, and as far as possible avoids injuring or taking life.

The deeper we look into nature, the more we recognize that it is full of life, and the more profoundly we know that all life is a secret and that we are united with all life that is in nature.