Ab igne ignem—Fire from fire.

Abiit, excessit, evasit, erupit—He has left, gone 30 off, escaped, broken away. Cic. of Catiline's flight.

Ability to discern that what is true is true, and that what is false is false, is the characteristic of intelligence. Swedenborg.

Ab incunabilis—From the cradle.

Ab initio—From the beginning.

Ab inopia ad virtutem obsepta est via—The way from poverty to virtue is an obstructed one. Pr.

Ab intra—From within. 35

Ab irato—In a fit of passion.

A bird in the hand is worth two in the bush. Pr.

A bis et à blanc—By fits and starts. Fr.