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

Do not allow your minds to dwell on the present, but with eyes of faith look into the future, for in truth the Spirit of God is working in your midst.

‘Abdu’l-Bahá, Paris Talks, p. 169

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

It is not for them, however, at the present stage of their evolution, to probe into the future, and seek to evaluate the range of their future achievements. They must concentrate every ounce of their energy, and focus their entire attention, on the tasks immediately ahead, resolved to work unremittingly and unflinchingly until the goals of the present Plan are achieved.

Shoghi Effendi, Letters from the Guardian to Australia and New Zealand, p. 72