Anyone who has accustomed ...

Anyone who has accustomed himself to regard the life of any living creature as worthless is in danger of arriving also at the idea of worthless human lives.
Anyone who has accustomed himself to regard the life of any living creature as worthless is in danger of arriving also at the idea of worthless human lives.

Quotes from the same author

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
We should all be thankful for those people who rekindle the inner spirit.
Never say there is nothing beautiful in the world anymore. There is always something to make you wonder in the shape of a tree, the trembling of a leaf.
Constant kindness can accomplish much. As the sun makes ice melt, kindness causes misunderstanding, mistrust, and hostility to evaporate.
One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.