People like to cite quotes, proverbs, poems and similar texts (this things), they often do it wrong, out of context or even willingly abuse it.
This things have its real meaning in context of author, time of occurrence, targeted audience, language,… To really understand this things you have to know all about them. Other-sites you mis the meaning and fraction of the truth it contains.
To present this things in it real meaning you don’t just need collection of similar things. You have to offer whole overview of it context. Therefore you have to create a database where this thing are collected in it whole context.
Someone on the search to understanding can select and see part of context he is interested in in the moment.