This quote suggests that tyrants, or oppressive leaders, often justify their actions by claiming they’re for the welfare of the people. They exploit the notion of public good to mask their personal ambitions or authoritarian tendencies. The ‘alibi’ here refers to the excuse or justification they use to deceive the public and avoid accountability for their actions.

In essence, the quote is a critique of political manipulation. It warns us about the danger of those who use the guise of public welfare to advance their own agendas, which often result in the erosion of individual freedoms and rights.

Applying this idea in today’s world, we can see examples of leaders who use the ‘public good’ as a justification for their actions, which may range from imposing strict laws, suppressing dissent, to even waging wars. It’s a reminder for us to critically evaluate the intentions and actions of those in power, to discern between genuine concern for public welfare and manipulation.

In terms of personal development, this quote could serve as a reminder to be aware of our motivations. Are we doing something for the genuine benefit of others, or are we using that as an excuse to further our own interests? It encourages introspection and honesty about our intentions. It also underscores the importance of integrity and transparency in our actions, whether in leadership roles or everyday life.