Self-love is one of the most important types of love you can recieve. Before feeling compassion for others, feel compassion for your self. Love every part of yourself too, even your vulnerable parts. Theres something that I saw in a Ted-talk, she said "You cant get rid of specific feelings, if you get rid of sadness, you get rid of happiness too, which can make you miserable." This is important to remember, dont beat yourself up because you feel sad about something. Embrace it and move on.
He believed being imprisoned (even if only for a single night) only kept his body imprisoned. His mind was still free and imprisonment only further fueled his philosophical thinking. I hope this helps!
Principles of popular sovereignty, limited government, social contract(with government) are all a big part of present day government and ver prevalent in the declaration of independence.