| 1 | We need to thoroughly understand the essence of the problem. | |
| 2 | The essence of leadership is to inspire and motivate followers. | |
| 3 | Knowledge should not be superficial. We should explore its essence. | |
| 4 | The aim of this research is to explore the nature of human cognition. | |
| 5 | We need a deeper understanding of the essence of this problem. |
