1.21 Any one can either be the case or not be the case, and everything else remain the same.
2.063 The total reality is the world.
3.02 The thought contains the possibility of the state of affairs which it thinks. What is thinkable is also possible.
4.002 Man possesses the capacity of constructing languages, in which every sense can be expressed, without having an idea how and what each word means—just as one speaks without knowing how the single sounds are produced.
Colloquial language is a part of the human organism and is not less complicated than it.
From it it is humanly impossible to gather immediately the logic of language.
Language disguises the thought; so that from the external form of the clothes one cannot infer the form of the thought they clothe, because the external form of the clothes is constructed with quite another object than to let the form of the body be recognized. [...]
4.0621 [...] The propositions “p” and “~p” have opposite senses, but to them corresponds one and the same reality.
4.116 Everything that can be thought at all can be thought clearly. Everything that can be said can be said clearly.
4.1212 What can be shown cannot be said.
5.6 The limits of my language mean the limits of my world.
5.61 Logic pervades the world: the limits of the world are also its limits. [...]
5.63 I am my world. (The microcosm.)
5.632 The subject does not belong to the world but it is a limit of the world.
6.373 The world is independent of my will.
6.4311 Death is not an event of life. Death is not lived through.
If by eternity is understood not endless temporal duration but timelessness, then he lives eternally who lives in the present.
Our life is endless in the way that our visual field is without limit.
7 Whereof one cannot speak, thereof one must be silent.