Throughout the whole period of one’s lifetime, the achieving of happiness can be seen as our【C1】______and everlasting goal. Happiness is far more than a strong body, a【C2】______villa or an around-the-world tour; it is something we need from our heart. However, we can investigate happiness【C3】______scientific methods. When we are asked the question "Where can we find happiness" , it is a【C4】______difficult to answer accurately. We can find happiness right in our own home, in our workplace, in school, in the【C5】______of our friends, etc. It is up to us to find the ways and means to achieve that happiness each of us seek and【C6】______for. However, it is essential to【C7】______that there is no one absolute way to achieve happiness. People may have different ideas with【C8】______to the ways of achieving happiness. The following five【C9】______are【C10】______by many people as sources of happiness: family and friends, wealth, position, educational achievement and fame. To give it a comprehensive【C11】______, happiness is a【C12】______state of well-being characterized by positive or pleasant emotions【C13】______from contentment to intense joy. A【C14】______of biological, psychological, religious, and philosophical approaches have striven to define happiness and【C15】______its sources. Various research groups, including positive psychology, endeavor to【C16】______the scientific method to answer questions about what "happiness" is, and how we might【C17】______it. There are many ways to be happy. Spend time with individuals who are dear to you. There is nothing more【C18】______than to be with the people you love. Do something nice for others. Helping others is a very honorable way to find happiness. If your schedule is too【C19】______for volunteer work, you can just donate a small sum of money or some old clothes or toys to charily. When you eat out, try to be a good【C20】______to the waiters or the valet who safely parked your car. All these simple things will not only make you happy, but other people as well. 【C9】