मनुस्मृति - धर्म

तस्माद्धर्मं सहायार्थं नित्यं संचिनुयाच्छनैः ।
धर्मेण हि सहायेन तमस्तरति दुस्तरम् ॥

- मनुस्मृति

One must keep accumulating good karma every day so that it may come in handy some day. So accumulated good will help you overcome the toughest times.

- Manu Smriti