It is well for the world that in most of us, by the age of thirty, the character has set like plaster, and will never soften again.

... I am the same personal being who in old times upon the Earth had those experiences.

Neither moral relations nor the moral law can swing in vacuo. Their only habitat can be a mind which feels them; and no world composed of merely physical facts can possibly be a world to which ethical propositions apply.

When happiness is actually in possession, the thought of evil can no more acquire the feeling of reality than the thought of good can gain reality when melancholy rules. To the man actively happy, from whatever cause, evil simply cannot then and there be believed in.

Most unhappiness is caused because people listen to themselves... instead of talking to themselves.

The first thing that intellect does with an object is to class it with something else.

There is no doubt that healthy-mindedness is inadequate as a philosophical doctrine, because the evil facts which it refuses positively to account for are a genuine portion of reality; and they may after all be the best key to life's significance, and possibly the only openers of our eyes to the deepest levels of truth.