The dog that trots about finds a bone.
The most effective way to do it, is to do it.
To know oneself, one should assert oneself.
Without hard work, nothing grows but weeds.
Always desire to learn something useful.
You never know what motivates you.
The secret of getting ahead is getting started.
It's always too early to quit.
Do not weep do not wax indignant. Understand.
What you do today can improve all your tomorrows.
The history of astronomy is a history of receding horizons.
Equipped with his five senses, man explores the universe around him and calls the adventure Science.