If you think you can do it, you can.
If you can dream it, you can do it.
To know oneself, one should assert oneself.
By failing to prepare, you are preparing to fail.
Be gentle to all and stern with yourself.
I can, therefore I am.
Wherever you are - be all there.
The wise does at once what the fool does at last.
Leap, and the net will appear.
Without hard work, nothing grows but weeds.
The work on ants has profoundly affected the way I think about humans.