Let each morn be better than its eve and each morrow richer than its yesterday.

Bahá’u’lláh, Tablets of Bahá’u’lláh, p. 138

The generations that have gone on before you -- whither are they fled? And those round whom in life circled the fairest and the loveliest of the land, where now are they? Profit by their example, O people, and be not of them that are gone astray.

Bahá’u’lláh, Gleanings from the Writings of Bahá’u’lláh, p. 260

Consider the past, so that thou mayest become informed of the mysteries which shall be disclosed in the future.

‘Abdu’l-Bahá, Bahá’í World Faith, p. 394

Once his effort is directed in the proper channel, if he does not succeed today, he will succeed tomorrow.

‘Abdu’l-Bahá, Star of the West, Vol. 8, No. 1, p. 21

So the reckoning of days, weeks, months and years, of yesterday and today, is connected with the terrestrial globe; but in the sun there is no such thing -- there is neither yesterday, today nor tomorrow, neither months nor years: all are equal.

‘Abdu’l-Bahá, Some Answered Questions, p. 152

The past, the present, the future, all, in relation to God, are equal. Yesterday, today, tomorrow do not exist in the sun.

‘Abdu’l-Bahá, Some Answered Questions, p. 116