John Tyndall
John Tyndall

Life is a wave, which in no two consecutive moments of its existence is composed of the same particles.

John Tyndall
John Tyndall

Knowledge once gained casts a light beyond its own immediate boundaries.

John Tyndall
John Tyndall

The brightest flashes in the world of thought are incomplete until they have been proven to have their counterparts in the world of fact.