Man's Ethics Must Not End With Man,

The African Is My Brother But He Is My Younger Brother By Several Centuries.

It Doesn't Matter If An Animal Can Reason. It Matters Only That It Is Capable Of Suffering And That Is Why I Consider It My Neighbor.

We Ought All To Make An Effort To Act On Our First Thoughts And Let Our Unspoken Gratitude Find Expression. Then There Will Be More Sunshine In The World, And More Power To Work For What Is Good.

Happiness Is The Only Thing That Multiplies When You Share It.

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.