I have just been through the ...

I have just been through the process of killing a cistudo for the sake of science; but I cannot excuse myself for this murder, and see that such actions are inconsistent with the poetic perception, however they may serve science, and will affect the quality of my observations. I pray that I may walk more innocently and serenely through nature. No reasoning whatever reconciles me to this act. It affects my day injuriously. I have lost some self-respect. I have a murderer\'s experience to a degree.
I have just been through the process of killing a cistudo for the sake of science; but I cannot excuse myself for this murder, and see that such actions are inconsistent with the poetic perception, however they may serve science, and will affect the quality of my observations. I pray that I may walk more innocently and serenely through nature. No reasoning whatever reconciles me to this act. It affects my day injuriously. I have lost some self-respect. I have a murderer's experience to a degree.

Quotes from the same author

Many men go fishing all of their lives without knowing that it is not fish they are after.
If one advances confidently in the direction of his dream, and endeavors to live the life which he had imagines, he will meet with a success unexpected in common hours.
Ignorance and bungling with love are better than wisdom and skill without.
The most I can do for my friend is simply be his friend.
A man cannot be said to succeed in this life who does not satisfy one friend.