There are 3 titles in this book bundle, which are about the following topics: Topic 1: In this book, you will find information about five different philosophers, some of them well-known, others less. But all of them had a significant impact on the ancient world and how people thought, as well as some of our modern-day ideas. The first in line is Marcus Aurelius, a stoic emperor who reigned with righteousness and justice, according to historical records. The second is Hipparchia, a cynic who broke through traditions and took a second look at society and its principles. Topic 2: What are the four virtues of stoicism? In this book, you will find fascinating thoughts on courage, temperance, justice, and wisdom. We will touch on these topics and help you understand why they are so important. This can make a huge difference in your life. Stoicism can also help people react better to each other in family relationships. With the virtues described, great improvements can be made in the way we interact with each other. This is the central theme of most of this guide. Topic 3: In this guide, we'll go over some of the main aspects of existentialism, depression, intelligence, and deep thinking. First, the six standard themes of existentialism will be explained. This will give you more insights in what it is, and how it is sub-divided into various issues that have been thought of by the great existentialist thinkers.