Graduating

As an impeachment court, he talked of how members of the impeachment court "outmaneuvered" him and Sen. Risa Hontiveros during Tuesday night's proceedings.

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"For example, saan ako nagkamali, paano ninyo kami nautakan. Paano nautakan ng majority ang minority (Where did I go wrong, how did you in the majority outwit us in the minority)?" he said.

He also reminded his colleagues that the chamber "is not a place for echo chambers but for courageous discourse. In diversity we find democracy's heartbeat."

Pimentel acknowledged the weight of political conflict over the years and the possibility that his actions or words may have hurt others.

"Siguro kung meron mang nasaktan sa 13 years ko dito sa Senado... I beg for your understanding and I pray that with the passage of time you will find it in your heart to forgive me," he said, alluding to his involvement in several high-profile and often divisive issues.