One Swallow Does Not Make a Summer 1100 Words

One Swallow Does Not Make a Summer One swallow does not make a summer A single fortunate event does not necessarily mean that what follows will also be good, used to say that you should not jump to any conclusion when you don't have enough evidence to prove or disprove it: The first session of the history course was so amazing, although I know that one swallow does not make a summer.