Meaning: The quote "Begin thus from the first act, and proceed; and, in conclusion, at the ill which thou hast done, be troubled, and rejoice for the good" by Pythagoras, the ancient Greek mathematician and philosopher, carries profound wisdom and guidance for living a virtuous and fulfilling life. Pythagoras was not only known for his mathematical contributions but also for his philosophical teachings, which emphasized ethical behavior and the pursuit of wisdom. This quote reflects his belief in the importance of self-reflection, moral awareness, and the pursuit of goodness.

Pythagoras encourages individuals to start with the first act, implying that one should embark on their endeavors with a sense of purpose and mindfulness from the very beginning. This admonition speaks to the significance of laying a solid ethical foundation and approaching actions with intention and awareness. It suggests that one should not act impulsively or haphazardly, but rather with a thoughtful consideration of the consequences of their actions.

The instruction to "proceed" underscores the idea of continuity and perseverance. It conveys the message that one should persist in their endeavors, facing challenges and obstacles with determination and resilience. This aspect of the quote aligns with Pythagoras' own dedication to his studies and intellectual pursuits, as well as his belief in the value of sustained effort in the pursuit of knowledge and virtue.

The concluding part of the quote, "at the ill which thou hast done, be troubled, and rejoice for the good," encapsulates a fundamental principle of moral reflection and ethical conduct. Pythagoras urges individuals to confront their wrongdoings with a sense of unease or regret, acknowledging the impact of their actions on themselves and others. This acknowledgment of wrongdoing reflects a commitment to personal accountability and the recognition of the moral implications of one's behavior.

Simultaneously, Pythagoras advocates for the celebration of virtuous actions and positive outcomes. By rejoicing in the good, individuals are encouraged to cultivate gratitude, appreciation, and a sense of fulfillment for their ethical choices and benevolent deeds. This aspect of the quote reinforces the idea that ethical conduct and moral integrity are sources of personal joy and contentment.

Pythagoras' teachings on ethical behavior and moral introspection have left a lasting impact on philosophical and ethical thought. His emphasis on self-examination, ethical responsibility, and the pursuit of goodness continues to resonate with individuals seeking guidance on leading a virtuous and meaningful life.

In conclusion, Pythagoras' quote serves as a timeless reminder of the importance of ethical conduct, self-reflection, and the pursuit of goodness. It encapsulates the essence of his philosophical teachings, which emphasize the significance of moral awareness, perseverance, and the acknowledgment of both the negative and positive aspects of one's actions. By heeding Pythagoras' advice, individuals can aspire to live with integrity, mindfulness, and a commitment to ethical excellence.

This quote can inspire individuals to contemplate the ethical dimensions of their actions, strive for moral growth, and find joy in the pursuit of goodness. Pythagoras' wisdom continues to offer valuable insights for navigating the complexities of human existence and striving for a life characterized by ethical awareness and virtuous conduct.