(literally) As I last remember; last I recall. / (figuratively) Yes; affirmative; obviously.

the equation ̂H𝜓(⃑r)=E𝜓(⃑r), for some constant E; applies to separable solutions 𝛹(⃑r,t)=𝜓(⃑r)𝜙(t) to the Schrödinger equation

(idiomatic) Approach each situation with focus on the present rather than preoccupation about the future.

(historical) A variant of daylight saving time, two hours ahead of GMT, used by Britain in the summers of 1941 to 1945, during World War II.

Used to express regret for a foolish impromptu or impulsive past action.

(idiomatic, informal, chiefly in the negative) To do two normally trivial tasks at the same time.

(obsolete) for old times' sake

(Christianity, somewhat colloquial) religious to the point of excess; ridiculously religious

Every time, to an annoyingly repetitive or consistent degree.

It is better to arrive late than to risk your life speeding to a destination.