“Sum up at night what thou has done by day.”

“Rarely, rarely, comest thou,
Spirit of Delight!
Wherefore hast thou left me now
Many a day and night?
Many a weary night and day
'Tis since thou are fled away.”

“We are the sum of all we have done added to the sum of all that has been done to us.”

“The philosopher Didactylos has summed up an alternative hypothesis as "Things just happen. What the hell".”

“Both read the Bible day and night,
But thou read'st black where I read white.”

“Once through this ruined city did I pass
I espied a lonely bird on a bough and asked
‘What knowest thou of this wilderness?’
It replied: 'I can sum it up in two words:
‘Alas, Alas!”

“If thou intend to do any good; tarry not till to-morrow! for thou knowest not what may chance thee this night.”

“This above all: to thine own self be true,
And it must follow, as the night the day,
Thou canst not then be false to any man.”

“Love is not simply the sum of sweet greetings and wrenching partings and kisses and embraces, but is made up more of the memory of what has happened and the imagining of what is to come.”

“Life is a torrid day,
Parched with the dust and sun;
And death's the calm cool night,
When the weary day is done.”