It is vain to do with more what can be done with less.

God's existence cannot be deduced by reason alone.

Entities must not be multiplied beyond necessity.

Never increase, beyond what is necessary, the number of entities required to explain anything.

When you have two competing theories that make exactly the same predictions, the simpler one is the better.

My God is the green tide in the spring leaves the redness of cherries high in the air the excitement of shooting stars the song of birds in summer branches the sunrise on a winter's morning the name of everything we don't understand.

No more things should be presumed to exist than are absolutely necessary.