Without hard work, nothing grows but weeds.
Problems are not stop signs, they are guidelines.
Know or listen to those who know.
Go for it now. The future is promised to no one.
The secret of getting ahead is getting started.
Either you run the day or the day runs you.
The most effective way to do it, is to do it.
Be gentle to all and stern with yourself.
If you've got a talent, protect it.
You never know what motivates you.
The learner always begins by finding fault, but the scholar sees the positive merit in everything.
Mere goodness can achieve little against the power of nature.
Truth in philosophy means that concept and external reality correspond.