Measure what is measurable and make measurable what is not. ~ Galileo Galilei
A code is always testable. large of small, but each piece of code that is catering to a specific need of the business must be tested thoroughly. A small piece unattended may spoil the whole product.
If we always do what we’ve always done, we will get what we’ve always got. ~ Adam Urbanski
If we keep doing the same thing the same way, we keep getting what we have already got, nothing more nothing less. That is why Change is must, in process, in product, in testing, in development – in everything. Change can get you ‘better than previous’.
“The starting point for improvement is to recognize the need.” – Masaaki Imai
Unless and until you know what is to be changed, you will never be able to get the optimized product. It is something like if you are not able to find a bug in a product, you will never be able to find out the actual defect and hence the improvement that is required in the product.
Like tools, mind also gets rusted if not used regularly.