There's at least a kernel of truth in each of these. You will probably see yourself in more than a few of these. Many, if not all, of these are timeless. Check out some of the problems faced by others in your field. Check out some of the sayings in this book.
Material comes from a wide range of sources.
Seminars have also been a good source of material. The book is also an anthology of jokes and witticisms. While the primary focus is on the environmental field, science, technology and management are also targeted. There are many types of humor presented, from the sarcastic to the subliminal. If you like the above, you'll love the book which has literally thousands more.