Each ray of light moves in ...

Each ray of light moves in the coordinate system \'at rest\' with the definite, constant velocity V independent of whether this ray of light is emitted by a body at rest or a body in motion.
Each ray of light moves in the coordinate system 'at rest' with the definite, constant velocity V independent of whether this ray of light is emitted by a body at rest or a body in motion.

More phrases

Sylvia Plath. Interesting poetess whose tragic suicide was misinterpreted as romantic by the college-girl mentality.
I think there was the studio mentality for a long time that women and girls can relate to a male hero, but boys and men can't relate to a female hero.
 Jennifer Lawrence
Every great dream begins with a dreamer. Always remember, you have within you the strength, the patience, and the passion to reach for the stars to change the world.
 Harriet Tubman
Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict.
 William Ellery Channing
You must do the things you think you cannot do.

Quotes from the same author

It is characteristic of the military mentality that non-human factors ... are held essential, while the human being, his desires and thoughts-in short, the psychological factors-are considered as unimportant and secondary.
In the middle of every difficulty lies opportunity.
You can't blame gravity for falling in love.
One may say the eternal mystery of the world is its comprehensibility.
The human spirit must prevail over technology.