Falsifiability for a theory is great, but a theory can still be respectable even if it is not falsifiable, as long as it is verifiable.
falsifiability falsifiable great
Brian Greene
These are some quotes by American author Brian Greene Physicist, who was born on February 9, 1963.
Quotes by Brian Greene
The central idea of string theory is quite straightforward. If you examine any piece of matter ever more finely, at first you'll find molecules, atoms, sub-atomic particles. Probe the smaller particles, you'll find something else, a tiny vibrating filament of energy, a little tiny vibrating string.
