St. Catherine of Siena was not a woman who avoided hard things.
She wrote bold letters to popes. She cared for the sick and the dying without flinching. She spoke truth to powerful people when no one else would. And yet, at the center of all of it was something deeply personal: a radical, practical, daily commitment to loving the people God placed in her life — especially the difficult ones.
Catherine lived in the 14th century, but her wisdom cuts straight through to the relational struggles of today. Here are five things she'd likely say to Catholics navigating hard relationships right now.
1. "Know Yourself — And Know God"
Catherine's most foundational teaching was simple: know yourself in God, and know God in yourself. Before you can love a difficult person well, you need honest self-knowledge — awareness of your own wounds, triggers, and blind spots.
That coworker who irritates you, the sibling who pushes your buttons — they often reveal more about your interior life than theirs.
Apply it: Before reacting in a hard moment, pause and ask: "What is this bringing up in me?" Honest self-awareness is the beginning of charity.
2. "Stop Waiting for Them to Change First"
Catherine didn't make her love conditional on other people's behavior. She loved — and then loved more — regardless of response. She understood that waiting for someone else to change before you extend charity is just pride wearing patient clothing.
Charity moves first. That's what makes it virtue rather than transaction.
Apply it: Identify one relationship where you've been waiting for the other person to make the first move. Consider what one small, unconditional act of kindness might look like this week.
3. "Suffering in Relationships Is Not Wasted"
Catherine saw suffering — including relational suffering — as something God could transform into grace. The difficult marriage, the fractured friendship, the exhausting family dynamic: none of it is outside God's reach or beneath his notice.
She would tell you that the cross in your relationships is not a sign that something has gone wrong. It might be exactly where God is doing his deepest work.
Apply it: Bring one painful relationship to prayer this week — not to fix it, but to offer it. Ask God what he might be doing in the difficulty.
4. "Forgiveness Is an Act of Freedom — Yours"
Catherine was unflinching on forgiveness. Not because the other person always deserved it, but because resentment is a prison — and God wants you free.
She'd remind you that forgiveness isn't excusing what happened or pretending it didn't hurt. It's releasing your grip on the wound so that God can heal it.
Apply it: Is there someone you've been unwilling to forgive? You don't have to feel ready. Tell God you're willing to begin — and ask him to do in you what you cannot do alone.
5. "Begin Again — Every Single Day"
Perhaps Catherine's most consoling message is this: holiness isn't built in grand gestures. It's built in small, faithful beginnings — repeated daily, offered humbly, sustained by grace.
You'll fail at charity. You'll lose patience. You'll say the wrong thing. Catherine would simply tell you: begin again. God is not surprised by your weakness. He's waiting in it.
Apply it: At the end of each day, take 60 seconds to review how you loved — or didn't. No guilt spiral. Just honesty, gratitude, and a quiet resolution to begin again tomorrow.
Go Deeper With Catherine as Your Coach
If Catherine's wisdom is stirring something in you, Coached by Catherine of Siena: Lessons in Charity by Joan Watson is your next step.
Drawing from Catherine's letters and prayers, Watson brings her teaching to life for ordinary Catholics navigating real struggles — distraction, discouragement, pride, difficult people. Catherine doesn't ask you to be perfect. She asks you to begin. Again and again.
Difficult relationships aren't detours from the holy life. In Catherine's hands — and God's — they're the path itself.
