“Preparation for tomorrow is hard work today.”
“the best possible way to prepare for tomorrow is to concentrate with all your intelligence, all your enthusiasm, on doing today's work superbly today. That is the only possible way you can prepare for the future.”
“It is thrifty to prepare today for wants of tomorrow.”
“If I work hard enough, there will be things I can do tomorrow that I can't do today.”
“Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.”
“Speak what you think today in hard words and tomorrow speak what tomorrow thinks in hard words again, though it contradict every thing you said today.”