Do not weep do not wax indignant. Understand.
Only the educated are free.
Begin to be now what you will be hereafter.
Always desire to learn something useful.
What you do today can improve all your tomorrows.
If you've got a talent, protect it.
By failing to prepare, you are preparing to fail.
Be kind whenever possible. It is always possible.
Problems are not stop signs, they are guidelines.
It's always too early to quit.
In wilderness I sense the miracle of life, and behind it our scientific accomplishments fade to trivia.
I have seen the science I worshiped, and the aircraft I loved, destroying the civilization I expected them to serve.