" Neither a person nor a nation can exist without some higher idea. And there is only one higher idea on earth, and it is the idea of the immortality of the human soul, for all other higher ideas of life by which humans might live derive from that idea alone"
" To study the meaning of man and of life — I am making significant progress here. I have faith in myself. Man is a mystery: if you spend your entire life trying to puzzle it out, then do not say that you have wasted your time. I occupy myself with this mystery, because I want to be a man."
" If anyone could prove to me that Christ is outside the truth, and if the truth really did exclude Christ, I should prefer to stay with Christ and not with truth."