What is the meaning of don't be too slow if there is only a little nicei don't be too shy if only little viand?

The phrase suggests that one should not hesitate or be overly cautious when opportunities are limited. It encourages taking action or seizing opportunities, even if they seem small or insignificant, rather than waiting for a better moment. Essentially, it promotes the idea of making the most of what you have, rather than holding back out of fear or shyness.