Be gentle to all and stern with yourself.
Without hard work, nothing grows but weeds.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
Know or listen to those who know.
Begin to be now what you will be hereafter.
To know oneself, one should assert oneself.
Problems are not stop signs, they are guidelines.
Go for it now. The future is promised to no one.
What you do today can improve all your tomorrows.
All science is either physics or stamp collecting.