The phrase "God gives his toughest battles to his strongest soldiers" is a popular saying, but it is not a direct verse from the Bible. The idea behind the phrase is that God uses difficult challenges to strengthen and shape believers, but the exact wording does not appear in Scripture.
Biblical teachings emphasize that God does not give believers more than they can handle and that He provides strength and support through trials. For example, 1 Corinthians 10:13 says God will not let us be tempted beyond what we can bear. Other verses highlight that God’s power is made perfect in weakness (2 Corinthians 12:9), and faith is strengthened through trials (James 1:2-3).
The concept is more about God using difficult times to develop perseverance and faith rather than only the "strongest soldiers" receiving the hardest battles. In fact, God often uses those who feel weak to show His strength, and we depend on His power rather than our own.
Thus, while the phrase captures a comforting truth about God’s work in hardship, it is not a specific Bible verse, and biblical teaching stresses that God’s support is for all believers facing challenges, not just the strongest.