Without hard work, nothing grows but weeds.
Begin to be now what you will be hereafter.
Things do not happen. Things are made to happen.
Leap, and the net will appear.
Always desire to learn something useful.
Either you run the day or the day runs you.
Who seeks shall find.
If you're going through hell, keep going.
What you do today can improve all your tomorrows.
The wise does at once what the fool does at last.
According to materialistic science, any memory requires a material substrate, such as the neuronal network in the brain or the DNA molecules of the genes.