#suffice

Speak out in acts; the time for words has passed, and only deeds will suffice. ↗

— Alfred North Whitehead

#deeds #only #out #passed #speak

On the basis of Lorentz's theory, if we limit ourselves to a single spectral line, it suffices to assume that each atom (or molecule) contains a single moving electron. ↗

— Pieter Zeeman

#atom #basis #contains #each #electron