Give a statement which includes the main ideas of the first law and second law of the thermodynamics.

Explanation

To answer the question regarding the main ideas of the first and second laws of thermodynamics, we can summarize them as follows:

### Step-by-Step Solution:

1. **Understanding the First Law of Thermodynamics**:
- The first law states that energy cannot be created or destroyed in an isolated system. This means that the total energy of the universe remains constant, although it can change forms (e.g., from kinetic to potential energy).

2. **Understanding the Second Law of Thermodynamics**:
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