The basic beliefs of ancient philosophy are as follows,

There is a creator >

According to the philosophy of the vedas, there is a creator who created the universe.

The 3 eternal things in the universe >

According to the philosophy of ancient science, the science of the vedas, There are 3 eternal things, god, soul and primordial matter. 

There was only the infinite soul before the creation.

There is a secret within everything.

Everything is within you.

God is within you.

What you seek outside is within you.

Formless creator of the universe.

Universe is dynamic

All object in the universe are moving

There is motion everywhere in the universe.

Presence of the Soul in the trees and plants.

No diety in the vedas

No idol worship in the vedas.

Transmigration of soul to another body.

God is the creator of the universe.

You are not the mind

You are not the mind, nor the reasoning intellect. But you are the master of all these.

You are the immortal soul.

You are the  children of Immortality! You are not the perishable physical body.

There is a difference between You and yourself.

You are the soul and yourself is the supreme soul.

Ancient science is the oldest science in the world