The second talk on Volume 9 of CWSA (The Complete Works of Sri Aurobindo) “Writings in Bengali and Sanskrit” covers some Sanskrit writings, particularly Tantra Siddhi Prakaran and Sri Arvind Upanishad.
It is the fact that people who are grateful and cheerful and ready to go step by step,... do actually march faster and more surely than those who are impatient and in haste and at each step despair.