Many are facing troubles at the moment that we would not describe as light and momentary, the weight of them sometimes feels like they would crush us. The apostle Paul faced his fair share of troubles, among other things he was beaten, stoned, lost loved ones, shipwrecked, faced a painful 'thorn in the flesh', and was imprisoned, and yet something enabled him to describe his troubles as light and momentary (NIV translation). What was his secret? It wasn't that he was super-human, earlier he said 'we were crushed and overwhelmed beyond our ability to endure' (2Cor1:8). His secret was that he trusted in 'God who raises the dead' (2 Cor 1:9). He fixed his eyes on the unseen reality, he had his eyes fixed on the risen Lord Jesus and the joy that awaits all who trust in Him and as he did that he reinterpreted his circumstances, they weren't any less painful, but they were light and momentary in comparison to the future glory. Whatever we're facing, what better place to look.
2 Corinthians 4:16-18 (New Living Translation)
That is why we never give up. Though our bodies are dying, our spirits are being renewed every day. For our present troubles are small and won’t last very long. Yet they produce for us a glory that vastly outweighs them and will last forever! So we don’t look at the troubles we can see now; rather, we fix our gaze on things that cannot be seen. For the things we see now will soon be gone, but the things we cannot see will last forever.