As long as you can read, you can practice philosophy and learn to think with yourself! Here is a list of short texts perfect for getting started with reading philosophy.
What Does it All Mean by Thomas Nagel
A short pamphlet introducing some of the most important questions in all of philosophy. Try to read this text all the way through from the beginning.
The Allegory of the Cave by Plato
A classic dialogue by Plato written in the format of a conversation. This text is very short and focuses on the connection between knowledge and ideas.
The Problems of Philosophy by Bertrand Russell
This is a longer introduction to specific problems in philosophy. It's written very clearly, and chapters can be read independently without reading the whole text.
Meditations 1 and 2 by Descartes
In incredibly clear and well flowing prose, Descartes unpacks the idea of knowledge and provides his theory of what we know can exist.
The Enchiridion by Epictetus
Classic Stoic philosophy on Life and how to live it. An emphasis on letting go of what we cannot control, and taking responsibility for what we can.
Thinking by Hannah Arendt
Originally published in the New Yorker Magazine, this peice by the political philosopher Hannah Arendt bridges thinking from Ancient Philosophy to the present day.
Essay version of the Myth of Sisyphus by Albert Camus
This is a very heavy read that tackles with difficult topics like suicide. However, it is one of the best introductions to existentialism, the philosophy of existence. Moreover, the end of the essay provides one of the most inspiring messages in all of philosophy.
While reading, there is no need to understand every paragraph. However, by the end of each reading always try to identify the broader argument the author has made: this is the most important part of any text.