Think of the tools in a tool-box: there is a hammer, pliers, a saw, a screwdriver, a rule, a glue-pot, nails and screws.--The function of words are as diverse as the functions of these objects.

The world is the totality of facts, not of things

What can be shown, cannot be said.

The so-called law of induction cannot possibly be a law of logic, since it is obviously a proposition with a sense.--Nor, therefore, can it be an a priori law.

What is left over if I subtract the fact that my arms goes up from the fact that I raise my arm?

My attitude towards him is an attitude towards a soul. I am not of the opinion that he has a soul. . . .

Humor is not a mood but a way of looking at the world. So if it is correct to say that humor was stamped out in Nazi Germany, that does not mean that people were not in good spirits, or anything of that sort, but something much deeper and more important.