Veda originates from the word "vid" ( to know) Knowledge is continuous approach, an unending process; Keen observation, detailed analysis and implementation will enlarge its orbit power and usefulness for earthlings.

Veda is knowledge- knowledge is but one.

Discrimination (Vivekam) alone is knowledge.

Several system of philosophy come out of vedic cultures in various form viz. "Yoga" - codified by ancient seer Patanjali and branches of Ayurveda (Agadatantra vajikaran tantra, Rasayan tantra and Kaulitya's Arth Shastra come out of Vedic Culture.

For Rigveda vyasa siksha is followed.
For sama veda - Naradiya siksha is followed.
For Atharva veda. Mandukya siksha is followed

Yajurveda primarily of Prose - mantras of worship.

For perfect pronunciation of each veda samhitas "PKATHI SAKHYAS" are the guide. Each veda has an upaveda.

Ayurveda - The Science and technology of Longevity

The creator is perfect
He possesses perfect power hence he created perfect nature
The perfect universe derives life
from the perfect creator

Atharvaveda

Knowledge is like the rays of Sun.

Atharvaveda

Life is a perennial search for truth; the restless Swan (human soul) is on Journey infinite to find the the truth.

RigVeda