No one in the world exists in isolation, and we all want to gain the trust of others. As a teacher, you should make friends with students and help them finish their studies. You are the boss, and you should work with the employees to tide over the difficulties and complete the task. As a leader, you must become one with the masses and benefit them ... In short, no matter what occupation you are engaged in, no matter when and where, you can't do without the word "sincerity". Theodore roosevelt is one of the most popular presidents, even his slaves like him. One of his black slaves, James Ammers, wrote a book called theodore roosevelt, the hero of his servant. Now, let me tell two stories that he sincerely treats! Once, Mrs. Ames asked Roosevelt about the story of quail birds. She had never seen quails before, and she hoped President Roosevelt could describe them. President Roosevelt agreed. Shortly after Mrs. Ames came home, the phone rang. It's the president. He said there happened to be a quail bird outside her window. If she looks out, she will surely see it. President Roosevelt often returned to the White House after his term ended. On one occasion, it happened that President Tahut was absent. He greeted his old servants and called their names affectionately. Alice in the kitchen told him that the people upstairs didn't eat her bread. "Their taste is terrible!" Roosevelt said unfairly, "I'll tell the president." Alice brought him a piece of bread, and he ate it as he walked, greeting the gardener and the workers. This is why people love President Roosevelt. How to make others like you is an eternal topic. As long as one treats others sincerely, others will treat you sincerely. In this way, you can establish good interpersonal relationships and lay a solid foundation for your career.