Where and how do you use quotes? What categories of quotations and proverbs are you searching usually?
I use quotations whenever I want to enforce a point I am making, either in my writing or speaking. Quotations from others are often more succint and wittier than things I am able to come up with on my own. If I have an idea or opinion I am speaking or writing about, it also adds weight to my point of view if I can find a famous person who agrees with my point of view or an expert opinion that supports my own position. In this way, the quotation adds validity to my opinion because it comes from an expert that has extensive experience in a particular field.
Also, when I am writing about someone, I use quotations from that person to further illustrate some point about the person, some idea the person had, or anything that the person might have said that could shed light on my topic. Quotations are like ammunition - they help you win the battle of your argument.
There are a lot of ways to search for applicable quotations - Bartlett's Familiar Quotations is a very famous research aid, and today, there are a multitude of online sites that offer quotations. All you have to do is type in your "subject" plus the word "quotations" and you will be brought to a ton of links from which to choose.
The poster seems to be using this forum to advertise, not to ask a legitimate question.