[181] De Fin, v. 5; Lucullus, 22, 43. Sext. Emp. Pyrrh. Hyp. i. 33.
[182] Acad. Quæst. i. 4; de Nat. Deor. i. 7.
[183] Lucullus, 20; see also de Nat. Deor. i. 7; de Fin. i. 5.
[184] "Nobis autem nostra Academia magnam licentiam dat, ut, quodcunque maximè probabile occurrat, id nostro jure liceat defendere."—De Off. iii. 4. See also Tusc. Quæst. iv. 4, v. 29; de Invent. ii. 3.
[185] De Legg. i. 13.
[186] Tusc. Quæst. i. 27; de Div. ii. 72; pro Milon. 31; de Legg. ii. 7.
[187] Fragm. de Rep. 3; Tusc. Quæst. i. 29.
[188] Tusc. Quæst. i. passim; de Senect. 21, 22; Somn. Scip. 8.
[189] De Div. i. 32, 49; Fragm. de Consolat.
[190] Tusc. Quæst. i. 30; Som. Scip. 9; de Legg. ii. 11.