What this quote means

Heinlein expresses a profound truth about human progress: our limits are often mental constructs. What seems impossible is merely what hasn't been done yet. History is full of examples where audacity and perseverance turned the impossible into reality. This quote encourages us to push the boundaries of the known and dare to dream big, for tomorrow's impossible may become commonplace.

How to apply it daily

Identify a goal you consider impossible and break it down into achievable steps. Start with the first step today.