The miracle of the appropriateness of the language of mathematics for the formulation of the laws of physics is a wonderful gift which we neither understand nor deserve.

The optimist regards the future as uncertain.

The simplicities of natural laws arise through the complexities of the language we use for their expression.

... mathematics is the science of skillful operations with concepts and rules invented just for this purpose.

The enormous usefulness of mathematics in the natural sciences is something bordering on the mysterious and there is no rational explanation of it.

It's nice the know the computer understands the situation, but I would like to understand it too.

[T]he laws of quantum mechanics itself cannot be formulated ... without recourse to the concept of consciousness.