The busier we are, the more acutely we feel that we live.

n action, to have moral worth, must be done from duty.

I am never to act otherwise than so that I could also will that my maxim should become a universal law.

Rules for Happiness: something to do, someone to love, something to hope for.

Space in general, as an a priori condition of the possibility of phenomena, the whole world of sense vanishes, which alone forms the object of our enquiry.

Space, therefore, cannot exist absolutely (by itself) as something determining the existence of things, because it is no object, but only the form of possible objects.

Wisdom is knowing the right path to take. Integrity is taking it.

I believe that the existence of the Bible is the greatest benefit to the human race. Any attempt to belittle it, I believe, is a crime against humanity.

If man is not to stifle his human feelings, he must practise kindness towards animals, for he who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.

Out of the crooked timber of humanity, no straight thing can ever be made.